694 lines
28 KiB
LLVM
694 lines
28 KiB
LLVM
; RUN: llc -mtriple=x86_64-pc-windows-coreclr -verify-machineinstrs < %s | FileCheck %s
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declare void @ProcessCLRException()
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declare void @f(i32)
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declare void @g(i8 addrspace(1)*)
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declare i8 addrspace(1)* @llvm.eh.exceptionpointer.p1i8(token)
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; Simplified IR for pseudo-C# like the following:
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; void test1() {
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; try {
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; f(1);
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; try {
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; f(2);
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; } catch (type1) {
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; f(3);
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; } catch (type2) {
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; f(4);
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; try {
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; f(5);
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; } fault {
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; f(6);
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; }
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; }
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; } finally {
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; f(7);
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; }
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; f(8);
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; }
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;
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; CHECK-LABEL: test1: # @test1
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; CHECK-NEXT: [[test1_begin:.*func_begin.*]]:
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define void @test1() personality i8* bitcast (void ()* @ProcessCLRException to i8*) {
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entry:
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; CHECK: # %entry
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; CHECK: leaq [[FPOffset:[0-9]+]](%rsp), %rbp
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; CHECK: .seh_endprologue
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; CHECK: movq %rsp, [[PSPSymOffset:[0-9]+]](%rsp)
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; CHECK: [[test1_before_f1:.+]]:
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; CHECK-NEXT: movl $1, %ecx
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; CHECK-NEXT: callq f
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; CHECK-NEXT: [[test1_after_f1:.+]]:
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invoke void @f(i32 1)
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to label %inner_try unwind label %finally
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inner_try:
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; CHECK: # %inner_try
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; CHECK: [[test1_before_f2:.+]]:
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; CHECK-NEXT: movl $2, %ecx
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; CHECK-NEXT: callq f
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; CHECK-NEXT: [[test1_after_f2:.+]]:
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invoke void @f(i32 2)
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to label %finally.clone unwind label %exn.dispatch
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exn.dispatch:
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%catchswitch = catchswitch within none [label %catch1, label %catch2] unwind label %finally
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catch1:
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%catch.pad1 = catchpad within %catchswitch [i32 1]
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; CHECK: .seh_proc [[test1_catch1:[^ ]+]]
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; CHECK: .seh_stackalloc [[FuncletFrameSize:[0-9]+]]
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; ^ all funclets use the same frame size
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; CHECK: movq [[PSPSymOffset]](%rcx), %rcx
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; ^ establisher frame pointer passed in rcx
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; CHECK: movq %rcx, [[PSPSymOffset]](%rsp)
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; CHECK: leaq [[FPOffset]](%rcx), %rbp
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; CHECK: .seh_endprologue
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; CHECK: movq %rdx, %rcx
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; ^ exception pointer passed in rdx
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; CHECK-NEXT: callq g
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%exn1 = call i8 addrspace(1)* @llvm.eh.exceptionpointer.p1i8(token %catch.pad1)
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call void @g(i8 addrspace(1)* %exn1) [ "funclet"(token %catch.pad1) ]
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; CHECK: [[test1_before_f3:.+]]:
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; CHECK-NEXT: movl $3, %ecx
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; CHECK-NEXT: callq f
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; CHECK-NEXT: [[test1_after_f3:.+]]:
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invoke void @f(i32 3) [ "funclet"(token %catch.pad1) ]
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to label %catch1.ret unwind label %finally
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catch1.ret:
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catchret from %catch.pad1 to label %finally.clone
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catch2:
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%catch.pad2 = catchpad within %catchswitch [i32 2]
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; CHECK: .seh_proc [[test1_catch2:[^ ]+]]
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; CHECK: .seh_stackalloc [[FuncletFrameSize:[0-9]+]]
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; ^ all funclets use the same frame size
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; CHECK: movq [[PSPSymOffset]](%rcx), %rcx
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; ^ establisher frame pointer passed in rcx
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; CHECK: movq %rcx, [[PSPSymOffset]](%rsp)
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; CHECK: leaq [[FPOffset]](%rcx), %rbp
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; CHECK: .seh_endprologue
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; CHECK: movq %rdx, %rcx
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; ^ exception pointer passed in rdx
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; CHECK-NEXT: callq g
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%exn2 = call i8 addrspace(1)* @llvm.eh.exceptionpointer.p1i8(token %catch.pad2)
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call void @g(i8 addrspace(1)* %exn2) [ "funclet"(token %catch.pad2) ]
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; CHECK: [[test1_before_f4:.+]]:
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; CHECK-NEXT: movl $4, %ecx
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; CHECK-NEXT: callq f
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; CHECK-NEXT: [[test1_after_f4:.+]]:
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invoke void @f(i32 4) [ "funclet"(token %catch.pad2) ]
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to label %try_in_catch unwind label %finally
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try_in_catch:
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; CHECK: # %try_in_catch
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; CHECK: [[test1_before_f5:.+]]:
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; CHECK-NEXT: movl $5, %ecx
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; CHECK-NEXT: callq f
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; CHECK-NEXT: [[test1_after_f5:.+]]:
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invoke void @f(i32 5) [ "funclet"(token %catch.pad2) ]
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to label %catch2.ret unwind label %fault
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fault:
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; CHECK: .seh_proc [[test1_fault:[^ ]+]]
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%fault.pad = cleanuppad within %catch.pad2 [i32 undef]
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; CHECK: .seh_stackalloc [[FuncletFrameSize:[0-9]+]]
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; ^ all funclets use the same frame size
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; CHECK: movq [[PSPSymOffset]](%rcx), %rcx
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; ^ establisher frame pointer passed in rcx
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; CHECK: movq %rcx, [[PSPSymOffset]](%rsp)
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; CHECK: leaq [[FPOffset]](%rcx), %rbp
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; CHECK: .seh_endprologue
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; CHECK: [[test1_before_f6:.+]]:
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; CHECK-NEXT: movl $6, %ecx
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; CHECK-NEXT: callq f
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; CHECK-NEXT: [[test1_after_f6:.+]]:
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invoke void @f(i32 6) [ "funclet"(token %fault.pad) ]
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to label %fault.ret unwind label %finally
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fault.ret:
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cleanupret from %fault.pad unwind label %finally
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catch2.ret:
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catchret from %catch.pad2 to label %finally.clone
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finally.clone:
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call void @f(i32 7)
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br label %tail
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finally:
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; CHECK: .seh_proc [[test1_finally:[^ ]+]]
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%finally.pad = cleanuppad within none []
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; CHECK: .seh_stackalloc [[FuncletFrameSize:[0-9]+]]
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; ^ all funclets use the same frame size
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; CHECK: movq [[PSPSymOffset]](%rcx), %rcx
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; ^ establisher frame pointer passed in rcx
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; CHECK: movq %rcx, [[PSPSymOffset]](%rsp)
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; CHECK: leaq [[FPOffset]](%rcx), %rbp
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; CHECK: .seh_endprologue
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; CHECK-NEXT: movl $7, %ecx
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; CHECK-NEXT: callq f
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call void @f(i32 7) [ "funclet"(token %finally.pad) ]
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cleanupret from %finally.pad unwind to caller
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tail:
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call void @f(i32 8)
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ret void
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; CHECK: [[test1_end:.*func_end.*]]:
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}
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; Now check for EH table in xdata (following standard xdata)
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; CHECK-LABEL: .section .xdata
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; standard xdata comes here
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; CHECK: .long 4{{$}}
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; ^ number of funclets
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; CHECK-NEXT: .long [[test1_catch1]]-[[test1_begin]]
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; ^ offset from L_begin to start of 1st funclet
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; CHECK-NEXT: .long [[test1_catch2]]-[[test1_begin]]
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; ^ offset from L_begin to start of 2nd funclet
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; CHECK-NEXT: .long [[test1_fault]]-[[test1_begin]]
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; ^ offset from L_begin to start of 3rd funclet
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; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
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; ^ offset from L_begin to start of 4th funclet
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; CHECK-NEXT: .long [[test1_end]]-[[test1_begin]]
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; ^ offset from L_begin to end of last funclet
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; CHECK-NEXT: .long 7
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; ^ number of EH clauses
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; Clause 1: call f(2) is guarded by catch1
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; CHECK-NEXT: .long 0
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; ^ flags (0 => catch handler)
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; CHECK-NEXT: .long ([[test1_before_f2]]-[[test1_begin]])+1
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; ^ offset of start of clause
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; CHECK-NEXT: .long ([[test1_after_f2]]-[[test1_begin]])+1
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; ^ offset of end of clause
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; CHECK-NEXT: .long [[test1_catch1]]-[[test1_begin]]
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; ^ offset of start of handler
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; CHECK-NEXT: .long [[test1_catch2]]-[[test1_begin]]
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; ^ offset of end of handler
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; CHECK-NEXT: .long 1
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; ^ type token of catch (from catchpad)
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; Clause 2: call f(2) is also guarded by catch2
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; CHECK-NEXT: .long 0
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; ^ flags (0 => catch handler)
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; CHECK-NEXT: .long ([[test1_before_f2]]-[[test1_begin]])+1
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; ^ offset of start of clause
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; CHECK-NEXT: .long ([[test1_after_f2]]-[[test1_begin]])+1
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; ^ offset of end of clause
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; CHECK-NEXT: .long [[test1_catch2]]-[[test1_begin]]
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; ^ offset of start of handler
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; CHECK-NEXT: .long [[test1_fault]]-[[test1_begin]]
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; ^ offset of end of handler
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; CHECK-NEXT: .long 2
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; ^ type token of catch (from catchpad)
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; Clause 3: calls f(1) and f(2) are guarded by finally
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; CHECK-NEXT: .long 2
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; ^ flags (2 => finally handler)
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; CHECK-NEXT: .long ([[test1_before_f1]]-[[test1_begin]])+1
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; ^ offset of start of clause
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; CHECK-NEXT: .long ([[test1_after_f2]]-[[test1_begin]])+1
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; ^ offset of end of clause
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; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
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; ^ offset of start of handler
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; CHECK-NEXT: .long [[test1_end]]-[[test1_begin]]
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; ^ offset of end of handler
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; CHECK-NEXT: .long 0
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; ^ type token slot (null for finally)
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; Clause 4: call f(3) is guarded by finally
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; This is a "duplicate" because the protected range (f(3))
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; is in funclet catch1 but the finally's immediate parent
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; is the main function, not that funclet.
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; CHECK-NEXT: .long 10
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; ^ flags (2 => finally handler | 8 => duplicate)
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; CHECK-NEXT: .long ([[test1_before_f3]]-[[test1_begin]])+1
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; ^ offset of start of clause
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; CHECK-NEXT: .long ([[test1_after_f3]]-[[test1_begin]])+1
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; ^ offset of end of clause
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; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
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; ^ offset of start of handler
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; CHECK-NEXT: .long [[test1_end]]-[[test1_begin]]
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; ^ offset of end of handler
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; CHECK-NEXT: .long 0
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; ^ type token slot (null for finally)
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; Clause 5: call f(5) is guarded by fault
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; CHECK-NEXT: .long 4
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; ^ flags (4 => fault handler)
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; CHECK-NEXT: .long ([[test1_before_f5]]-[[test1_begin]])+1
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; ^ offset of start of clause
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; CHECK-NEXT: .long ([[test1_after_f5]]-[[test1_begin]])+1
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; ^ offset of end of clause
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; CHECK-NEXT: .long [[test1_fault]]-[[test1_begin]]
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; ^ offset of start of handler
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; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
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; ^ offset of end of handler
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; CHECK-NEXT: .long 0
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; ^ type token slot (null for fault)
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; Clause 6: calls f(4) and f(5) are guarded by finally
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; This is a "duplicate" because the protected range (f(4)-f(5))
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; is in funclet catch2 but the finally's immediate parent
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; is the main function, not that funclet.
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; CHECK-NEXT: .long 10
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; ^ flags (2 => finally handler | 8 => duplicate)
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; CHECK-NEXT: .long ([[test1_before_f4]]-[[test1_begin]])+1
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; ^ offset of start of clause
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; CHECK-NEXT: .long ([[test1_after_f5]]-[[test1_begin]])+1
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; ^ offset of end of clause
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; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
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; ^ offset of start of handler
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; CHECK-NEXT: .long [[test1_end]]-[[test1_begin]]
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; ^ offset of end of handler
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; CHECK-NEXT: .long 0
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; ^ type token slot (null for finally)
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; Clause 7: call f(6) is guarded by finally
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; This is a "duplicate" because the protected range (f(3))
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; is in funclet catch1 but the finally's immediate parent
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; is the main function, not that funclet.
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; CHECK-NEXT: .long 10
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; ^ flags (2 => finally handler | 8 => duplicate)
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; CHECK-NEXT: .long ([[test1_before_f6]]-[[test1_begin]])+1
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; ^ offset of start of clause
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; CHECK-NEXT: .long ([[test1_after_f6]]-[[test1_begin]])+1
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; ^ offset of end of clause
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; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
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; ^ offset of start of handler
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; CHECK-NEXT: .long [[test1_end]]-[[test1_begin]]
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; ^ offset of end of handler
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; CHECK-NEXT: .long 0
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; ^ type token slot (null for finally)
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; Test with a cleanup that has no cleanupret, and thus needs its unwind dest
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; inferred from an inner catchswitch
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;
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; corresponds to C# along the lines of:
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; void test2() {
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; try {
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; try {
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; f(1);
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; } fault {
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; try {
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; f(2);
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; } catch(type1) {
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; }
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; __unreachable();
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; }
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; } catch(type2) {
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; }
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; }
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;
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define void @test2() personality i8* bitcast (void ()* @ProcessCLRException to i8*) {
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entry:
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invoke void @f(i32 1)
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to label %exit unwind label %fault
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fault:
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%fault.pad = cleanuppad within none [i32 undef]
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invoke void @f(i32 2) ["funclet"(token %fault.pad)]
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to label %unreachable unwind label %exn.dispatch.inner
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exn.dispatch.inner:
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%catchswitch.inner = catchswitch within %fault.pad [label %catch1] unwind label %exn.dispatch.outer
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catch1:
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%catch.pad1 = catchpad within %catchswitch.inner [i32 1]
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catchret from %catch.pad1 to label %unreachable
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exn.dispatch.outer:
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%catchswitch.outer = catchswitch within none [label %catch2] unwind to caller
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catch2:
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%catch.pad2 = catchpad within %catchswitch.outer [i32 2]
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catchret from %catch.pad2 to label %exit
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exit:
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ret void
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unreachable:
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unreachable
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}
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; CHECK-LABEL: test2: # @test2
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; CHECK-NEXT: [[test2_begin:.*func_begin.*]]:
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; CHECK: .seh_endprologue
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; CHECK: [[test2_before_f1:.+]]:
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; CHECK-NEXT: movl $1, %ecx
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; CHECK-NEXT: callq f
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; CHECK-NEXT: [[test2_after_f1:.+]]:
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; CHECK: .seh_proc [[test2_catch1:[^ ]+]]
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; CHECK: .seh_proc [[test2_catch2:[^ ]+]]
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; CHECK: .seh_proc [[test2_fault:[^ ]+]]
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; CHECK: .seh_endprologue
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; CHECK: [[test2_before_f2:.+]]:
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; CHECK-NEXT: movl $2, %ecx
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; CHECK-NEXT: callq f
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; CHECK-NEXT: [[test2_after_f2:.+]]:
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; CHECK: [[test2_end:.*func_end.*]]:
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; Now check for EH table in xdata (following standard xdata)
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; CHECK-LABEL: .section .xdata
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; standard xdata comes here
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; CHECK: .long 3{{$}}
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; ^ number of funclets
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; CHECK-NEXT: .long [[test2_catch1]]-[[test2_begin]]
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; ^ offset from L_begin to start of 2nd funclet
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; CHECK-NEXT: .long [[test2_catch2]]-[[test2_begin]]
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; ^ offset from L_begin to start of 3rd funclet
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; CHECK-NEXT: .long [[test2_fault]]-[[test2_begin]]
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; ^ offset from L_begin to start of 1st funclet
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; CHECK-NEXT: .long [[test2_end]]-[[test2_begin]]
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; ^ offset from L_begin to end of last funclet
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; CHECK-NEXT: .long 4
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; ^ number of EH clauses
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; Clause 1: call f(1) is guarded by fault
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; CHECK-NEXT: .long 4
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; ^ flags (4 => fault handler)
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; CHECK-NEXT: .long ([[test2_before_f1]]-[[test2_begin]])+1
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; ^ offset of start of clause
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; CHECK-NEXT: .long ([[test2_after_f1]]-[[test2_begin]])+1
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; ^ offset of end of clause
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; CHECK-NEXT: .long [[test2_fault]]-[[test2_begin]]
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; ^ offset of start of handler
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; CHECK-NEXT: .long [[test2_end]]-[[test2_begin]]
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; ^ offset of end of handler
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; CHECK-NEXT: .long 0
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; ^ type token slot (null for fault)
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; Clause 2: call f(1) is also guarded by catch2
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; CHECK-NEXT: .long 0
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; ^ flags (0 => catch handler)
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; CHECK-NEXT: .long ([[test2_before_f1]]-[[test2_begin]])+1
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; ^ offset of start of clause
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; CHECK-NEXT: .long ([[test2_after_f1]]-[[test2_begin]])+1
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; ^ offset of end of clause
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; CHECK-NEXT: .long [[test2_catch2]]-[[test2_begin]]
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; ^ offset of start of handler
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; CHECK-NEXT: .long [[test2_fault]]-[[test2_begin]]
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; ^ offset of end of handler
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; CHECK-NEXT: .long 2
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; ^ type token of catch (from catchpad)
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; Clause 3: calls f(2) is guarded by catch1
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; CHECK-NEXT: .long 0
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; ^ flags (0 => catch handler)
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; CHECK-NEXT: .long ([[test2_before_f2]]-[[test2_begin]])+1
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; ^ offset of start of clause
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; CHECK-NEXT: .long ([[test2_after_f2]]-[[test2_begin]])+1
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; ^ offset of end of clause
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; CHECK-NEXT: .long [[test2_catch1]]-[[test2_begin]]
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; ^ offset of start of handler
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; CHECK-NEXT: .long [[test2_catch2]]-[[test2_begin]]
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; ^ offset of end of handler
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; CHECK-NEXT: .long 1
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; ^ type token of catch (from catchpad)
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; Clause 4: call f(2) is also guarded by catch2
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; This is a "duplicate" because the protected range (f(2))
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; is in funclet fault but catch2's immediate parent
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; is the main function, not that funclet.
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; CHECK-NEXT: .long 8
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; ^ flags (0 => catch handler | 8 => duplicate)
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; CHECK-NEXT: .long ([[test2_before_f2]]-[[test2_begin]])+1
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; ^ offset of start of clause
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; CHECK-NEXT: .long ([[test2_after_f2]]-[[test2_begin]])+1
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; ^ offset of end of clause
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; CHECK-NEXT: .long [[test2_catch2]]-[[test2_begin]]
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; ^ offset of start of handler
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; CHECK-NEXT: .long [[test2_fault]]-[[test2_begin]]
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; ^ offset of end of handler
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; CHECK-NEXT: .long 2
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; ^ type token of catch (from catchpad)
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; Test with several cleanups that need to infer their unwind dests from each
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; other, the inner one needing to make the inference from an invoke, ignoring
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; not-really-unwinding calls/unwind-to-caller catchswitches, as well as some
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; internal invokes/catchswitches
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;
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; Corresponds to something like:
|
|
; void test3() {
|
|
; try {
|
|
; f(1);
|
|
; } fault { // fault1
|
|
; try {
|
|
; try {
|
|
; f(2);
|
|
; __unreachable();
|
|
; } fault { // fault2
|
|
; try {
|
|
; f(3);
|
|
; } fault { // fault3
|
|
; try {
|
|
; f(4);
|
|
; } fault { // fault4
|
|
; f(5); // no unwind edge (e.g. front-end knew it wouldn't throw but
|
|
; didn't bother to specify nounwind)
|
|
; try {
|
|
; try {
|
|
; f(6);
|
|
; } catch(type 1) {
|
|
; goto __unreachable;
|
|
; }
|
|
; } catch (type 2) { // marked "unwinds to caller" because we allow
|
|
; // that if the unwind won't be taken (see
|
|
; // SimplifyUnreachable & RemoveUnwindEdge)
|
|
; goto _unreachable;
|
|
; }
|
|
; f(7);
|
|
; __unreachable();
|
|
; }
|
|
; }
|
|
; }
|
|
; } fault { // fault 5
|
|
; }
|
|
; }
|
|
; }
|
|
;
|
|
; CHECK-LABEL: test3: # @test3
|
|
; CHECK-NEXT: [[test3_begin:.*func_begin.*]]:
|
|
define void @test3() personality i8* bitcast (void ()* @ProcessCLRException to i8*) {
|
|
entry:
|
|
; CHECK: .seh_endprologue
|
|
; CHECK: [[test3_before_f1:.+]]:
|
|
; CHECK-NEXT: movl $1, %ecx
|
|
; CHECK-NEXT: callq f
|
|
; CHECK-NEXT: [[test3_after_f1:.+]]:
|
|
invoke void @f(i32 1)
|
|
to label %exit unwind label %fault1
|
|
fault1:
|
|
; check lines below since this gets reordered to end-of-func
|
|
%fault.pad1 = cleanuppad within none [i32 undef]
|
|
invoke void @f(i32 2) ["funclet"(token %fault.pad1)]
|
|
to label %unreachable unwind label %fault2
|
|
fault2:
|
|
; check lines below since this gets reordered to end-of-func
|
|
%fault.pad2 = cleanuppad within %fault.pad1 [i32 undef]
|
|
invoke void @f(i32 3) ["funclet"(token %fault.pad2)]
|
|
to label %unreachable unwind label %fault3
|
|
fault3:
|
|
; check lines below since this gets reordered to end-of-func
|
|
%fault.pad3 = cleanuppad within %fault.pad2 [i32 undef]
|
|
invoke void @f(i32 4) ["funclet"(token %fault.pad3)]
|
|
to label %unreachable unwind label %fault4
|
|
fault4:
|
|
; CHECK: .seh_proc [[test3_fault4:[^ ]+]]
|
|
%fault.pad4 = cleanuppad within %fault.pad3 [i32 undef]
|
|
; CHECK: .seh_endprologue
|
|
call void @f(i32 5) ["funclet"(token %fault.pad4)]
|
|
; CHECK: [[test3_before_f6:.+]]:
|
|
; CHECK-NEXT: movl $6, %ecx
|
|
; CHECK-NEXT: callq f
|
|
; CHECK-NEXT: [[test3_after_f6:.+]]:
|
|
invoke void @f(i32 6) ["funclet"(token %fault.pad4)]
|
|
to label %fault4.cont unwind label %exn.dispatch1
|
|
fault4.cont:
|
|
; CHECK: # %fault4.cont
|
|
; CHECK: [[test3_before_f7:.+]]:
|
|
; CHECK-NEXT: movl $7, %ecx
|
|
; CHECK-NEXT: callq f
|
|
; CHECK-NEXT: [[test3_after_f7:.+]]:
|
|
invoke void @f(i32 7) ["funclet"(token %fault.pad4)]
|
|
to label %unreachable unwind label %fault5
|
|
exn.dispatch1:
|
|
%catchswitch1 = catchswitch within %fault.pad4 [label %catch1] unwind label %exn.dispatch2
|
|
catch1:
|
|
%catch.pad1 = catchpad within %catchswitch1 [i32 1]
|
|
; CHECK: .seh_proc [[test3_catch1:[^ ]+]]
|
|
catchret from %catch.pad1 to label %unreachable
|
|
exn.dispatch2:
|
|
%catchswitch2 = catchswitch within %fault.pad4 [label %catch2] unwind to caller
|
|
catch2:
|
|
%catch.pad2 = catchpad within %catchswitch2 [i32 2]
|
|
; CHECK: .seh_proc [[test3_catch2:[^ ]+]]
|
|
catchret from %catch.pad2 to label %unreachable
|
|
fault5:
|
|
; CHECK: .seh_proc [[test3_fault5:[^ ]+]]
|
|
%fault.pad5 = cleanuppad within %fault.pad1 [i32 undef]
|
|
; CHECK: .seh_endprologue
|
|
cleanupret from %fault.pad5 unwind to caller
|
|
exit:
|
|
ret void
|
|
unreachable:
|
|
unreachable
|
|
; CHECK: .seh_proc [[test3_fault3:[^ ]+]]
|
|
; CHECK: # %fault3
|
|
; CHECK: .seh_endprologue
|
|
; CHECK: [[test3_before_f4:.+]]:
|
|
; CHECK-NEXT: movl $4, %ecx
|
|
; CHECK-NEXT: callq f
|
|
; CHECK-NEXT: [[test3_after_f4:.+]]:
|
|
; CHECK: .seh_proc [[test3_fault2:[^ ]+]]
|
|
; CHECK: # %fault2
|
|
; CHECK: .seh_endprologue
|
|
; CHECK: [[test3_before_f3:.+]]:
|
|
; CHECK-NEXT: movl $3, %ecx
|
|
; CHECK-NEXT: callq f
|
|
; CHECK-NEXT: [[test3_after_f3:.+]]:
|
|
; CHECK: .seh_proc [[test3_fault1:[^ ]+]]
|
|
; CHECK: # %fault1
|
|
; CHECK: .seh_endprologue
|
|
; CHECK: [[test3_before_f2:.+]]:
|
|
; CHECK-NEXT: movl $2, %ecx
|
|
; CHECK-NEXT: callq f
|
|
; CHECK-NEXT: [[test3_after_f2:.+]]:
|
|
; CHECK: [[test3_end:.*func_end.*]]:
|
|
}
|
|
|
|
; Now check for EH table in xdata (following standard xdata)
|
|
; CHECK-LABEL: .section .xdata
|
|
; standard xdata comes here
|
|
; CHECK: .long 7{{$}}
|
|
; ^ number of funclets
|
|
; CHECK-NEXT: .long [[test3_fault4]]-[[test3_begin]]
|
|
; ^ offset from L_begin to start of 1st funclet
|
|
; CHECK-NEXT: .long [[test3_catch1]]-[[test3_begin]]
|
|
; ^ offset from L_begin to start of 2nd funclet
|
|
; CHECK-NEXT: .long [[test3_catch2]]-[[test3_begin]]
|
|
; ^ offset from L_begin to start of 3rd funclet
|
|
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
|
|
; ^ offset from L_begin to start of 4th funclet
|
|
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
|
|
; ^ offset from L_begin to start of 5th funclet
|
|
; CHECK-NEXT: .long [[test3_fault2]]-[[test3_begin]]
|
|
; ^ offset from L_begin to start of 6th funclet
|
|
; CHECK-NEXT: .long [[test3_fault1]]-[[test3_begin]]
|
|
; ^ offset from L_begin to start of 7th funclet
|
|
; CHECK-NEXT: .long [[test3_end]]-[[test3_begin]]
|
|
; ^ offset from L_begin to end of last funclet
|
|
; CHECK-NEXT: .long 10
|
|
; ^ number of EH clauses
|
|
; Clause 1: call f(1) is guarded by fault1
|
|
; CHECK-NEXT: .long 4
|
|
; ^ flags (4 => fault handler)
|
|
; CHECK-NEXT: .long ([[test3_before_f1]]-[[test3_begin]])+1
|
|
; ^ offset of start of clause
|
|
; CHECK-NEXT: .long ([[test3_after_f1]]-[[test3_begin]])+1
|
|
; ^ offset of end of clause
|
|
; CHECK-NEXT: .long [[test3_fault1]]-[[test3_begin]]
|
|
; ^ offset of start of handler
|
|
; CHECK-NEXT: .long [[test3_end]]-[[test3_begin]]
|
|
; ^ offset of end of handler
|
|
; CHECK-NEXT: .long 0
|
|
; ^ type token slot (null for fault)
|
|
; Clause 3: call f(6) is guarded by catch1
|
|
; CHECK-NEXT: .long 0
|
|
; ^ flags (0 => catch handler)
|
|
; CHECK-NEXT: .long ([[test3_before_f6]]-[[test3_begin]])+1
|
|
; ^ offset of start of clause
|
|
; CHECK-NEXT: .long ([[test3_after_f6]]-[[test3_begin]])+1
|
|
; ^ offset of end of clause
|
|
; CHECK-NEXT: .long [[test3_catch1]]-[[test3_begin]]
|
|
; ^ offset of start of handler
|
|
; CHECK-NEXT: .long [[test3_catch2]]-[[test3_begin]]
|
|
; ^ offset of end of handler
|
|
; CHECK-NEXT: .long 1
|
|
; ^ type token of catch (from catchpad)
|
|
; Clause 3: call f(6) is also guarded by catch2
|
|
; CHECK-NEXT: .long 0
|
|
; ^ flags (0 => catch handler)
|
|
; CHECK-NEXT: .long ([[test3_before_f6]]-[[test3_begin]])+1
|
|
; ^ offset of start of clause
|
|
; CHECK-NEXT: .long ([[test3_after_f6]]-[[test3_begin]])+1
|
|
; ^ offset of end of clause
|
|
; CHECK-NEXT: .long [[test3_catch2]]-[[test3_begin]]
|
|
; ^ offset of start of handler
|
|
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
|
|
; ^ offset of end of handler
|
|
; CHECK-NEXT: .long 2
|
|
; ^ type token of catch (from catchpad)
|
|
; Clause 4: call f(7) is guarded by fault5
|
|
; This is a "duplicate" because the protected range (f(6)-f(7))
|
|
; is in funclet fault4 but fault5's immediate parent
|
|
; is fault1, not that funclet.
|
|
; CHECK-NEXT: .long 12
|
|
; ^ flags (4 => fault handler | 8 => duplicate)
|
|
; CHECK-NEXT: .long ([[test3_before_f7]]-[[test3_begin]])+1
|
|
; ^ offset of start of clause
|
|
; CHECK-NEXT: .long ([[test3_after_f7]]-[[test3_begin]])+1
|
|
; ^ offset of end of clause
|
|
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
|
|
; ^ offset of start of handler
|
|
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
|
|
; ^ offset of end of handler
|
|
; CHECK-NEXT: .long 0
|
|
; ^ type token slot (null for fault)
|
|
; Clause 5: call f(4) is guarded by fault4
|
|
; CHECK-NEXT: .long 4
|
|
; ^ flags (4 => fault handler)
|
|
; CHECK-NEXT: .long ([[test3_before_f4]]-[[test3_begin]])+1
|
|
; ^ offset of start of clause
|
|
; CHECK-NEXT: .long ([[test3_after_f4]]-[[test3_begin]])+1
|
|
; ^ offset of end of clause
|
|
; CHECK-NEXT: .long [[test3_fault4]]-[[test3_begin]]
|
|
; ^ offset of start of handler
|
|
; CHECK-NEXT: .long [[test3_catch1]]-[[test3_begin]]
|
|
; ^ offset of end of handler
|
|
; CHECK-NEXT: .long 0
|
|
; ^ type token slot (null for fault)
|
|
; Clause 6: call f(4) is also guarded by fault5
|
|
; This is a "duplicate" because the protected range (f(4))
|
|
; is in funclet fault3 but fault5's immediate parent
|
|
; is fault1, not that funclet.
|
|
; CHECK-NEXT: .long 12
|
|
; ^ flags (4 => fault handler)
|
|
; CHECK-NEXT: .long ([[test3_before_f4]]-[[test3_begin]])+1
|
|
; ^ offset of start of clause
|
|
; CHECK-NEXT: .long ([[test3_after_f4]]-[[test3_begin]])+1
|
|
; ^ offset of end of clause
|
|
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
|
|
; ^ offset of start of handler
|
|
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
|
|
; ^ offset of end of handler
|
|
; CHECK-NEXT: .long 0
|
|
; ^ type token slot (null for fault)
|
|
; Clause 7: call f(3) is guarded by fault3
|
|
; CHECK-NEXT: .long 4
|
|
; ^ flags (4 => fault handler)
|
|
; CHECK-NEXT: .long ([[test3_before_f3]]-[[test3_begin]])+1
|
|
; ^ offset of start of clause
|
|
; CHECK-NEXT: .long ([[test3_after_f3]]-[[test3_begin]])+1
|
|
; ^ offset of end of clause
|
|
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
|
|
; ^ offset of start of handler
|
|
; CHECK-NEXT: .long [[test3_fault2]]-[[test3_begin]]
|
|
; ^ offset of end of handler
|
|
; CHECK-NEXT: .long 0
|
|
; ^ type token slot (null for fault)
|
|
; Clause 8: call f(3) is guarded by fault5
|
|
; This is a "duplicate" because the protected range (f(3))
|
|
; is in funclet fault2 but fault5's immediate parent
|
|
; is fault1, not that funclet.
|
|
; CHECK-NEXT: .long 12
|
|
; ^ flags (4 => fault handler | 8 => duplicate)
|
|
; CHECK-NEXT: .long ([[test3_before_f3]]-[[test3_begin]])+1
|
|
; ^ offset of start of clause
|
|
; CHECK-NEXT: .long ([[test3_after_f3]]-[[test3_begin]])+1
|
|
; ^ offset of end of clause
|
|
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
|
|
; ^ offset of start of handler
|
|
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
|
|
; ^ offset of end of handler
|
|
; CHECK-NEXT: .long 0
|
|
; ^ type token slot (null for fault)
|
|
; Clause 9: call f(2) is guarded by fault2
|
|
; CHECK-NEXT: .long 4
|
|
; ^ flags (4 => fault handler)
|
|
; CHECK-NEXT: .long ([[test3_before_f2]]-[[test3_begin]])+1
|
|
; ^ offset of start of clause
|
|
; CHECK-NEXT: .long ([[test3_after_f2]]-[[test3_begin]])+1
|
|
; ^ offset of end of clause
|
|
; CHECK-NEXT: .long [[test3_fault2]]-[[test3_begin]]
|
|
; ^ offset of start of handler
|
|
; CHECK-NEXT: .long [[test3_fault1]]-[[test3_begin]]
|
|
; ^ offset of end of handler
|
|
; CHECK-NEXT: .long 0
|
|
; ^ type token slot (null for fault)
|
|
; Clause 10: call f(2) is guarded by fault5
|
|
; CHECK-NEXT: .long 4
|
|
; ^ flags (4 => fault handler)
|
|
; CHECK-NEXT: .long ([[test3_before_f2]]-[[test3_begin]])+1
|
|
; ^ offset of start of clause
|
|
; CHECK-NEXT: .long ([[test3_after_f2]]-[[test3_begin]])+1
|
|
; ^ offset of end of clause
|
|
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
|
|
; ^ offset of start of handler
|
|
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
|
|
; ^ offset of end of handler
|
|
; CHECK-NEXT: .long 0
|
|
; ^ type token slot (null for fault)
|