forked from OSchip/llvm-project
64 lines
1.9 KiB
LLVM
64 lines
1.9 KiB
LLVM
; RUN: llc -mtriple=x86_64-unknown-linux -mcpu=corei7 < %s | FileCheck %s
|
|
|
|
; Test invoking of patchpoints
|
|
;
|
|
define i64 @patchpoint_invoke(i64 %p1, i64 %p2) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
|
|
entry:
|
|
; CHECK-LABEL: patchpoint_invoke:
|
|
; CHECK-NEXT: [[FUNC_BEGIN:.L.*]]:
|
|
; CHECK-NEXT: .cfi_startproc
|
|
; CHECK: .cfi_lsda 3, [[EXCEPTION_LABEL:.L[^ ]*]]
|
|
; CHECK: pushq %rbp
|
|
|
|
; Unfortunately, hardcode the name of the label that begins the patchpoint:
|
|
; CHECK: .Ltmp0:
|
|
; CHECK: movabsq $-559038736, %r11
|
|
; CHECK-NEXT: callq *%r11
|
|
; CHECK-NEXT: xchgw %ax, %ax
|
|
; CHECK-NEXT: [[PP_END:.L.*]]:
|
|
; CHECK: ret
|
|
%resolveCall = inttoptr i64 -559038736 to i8*
|
|
%result = invoke i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 2, i32 15, i8* %resolveCall, i32 1, i64 %p1, i64 %p2)
|
|
to label %success unwind label %threw
|
|
|
|
success:
|
|
ret i64 %result
|
|
|
|
threw:
|
|
%0 = landingpad { i8*, i32 }
|
|
catch i8* null
|
|
ret i64 0
|
|
}
|
|
|
|
; Verify that the exception table was emitted:
|
|
; CHECK: [[EXCEPTION_LABEL]]:
|
|
; CHECK-NEXT: .byte 255
|
|
; CHECK-NEXT: .byte 3
|
|
; CHECK-NEXT: .byte 21
|
|
; CHECK-NEXT: .byte 3
|
|
; CHECK-NEXT: .byte 13
|
|
; Verify that the unwind data covers the entire patchpoint region:
|
|
; CHECK-NEXT: .long .Ltmp0-[[FUNC_BEGIN]]
|
|
; CHECK-NEXT: .long [[PP_END]]-.Ltmp0
|
|
|
|
|
|
; Verify that the stackmap section got emitted:
|
|
; CHECK-LABEL: __LLVM_StackMaps:
|
|
; Header
|
|
; CHECK-NEXT: .byte 3
|
|
; CHECK-NEXT: .byte 0
|
|
; CHECK-NEXT: .short 0
|
|
; Num Functions
|
|
; CHECK-NEXT: .long 1
|
|
; Num LargeConstants
|
|
; CHECK-NEXT: .long 0
|
|
; Num Callsites
|
|
; CHECK-NEXT: .long 1
|
|
; CHECK-NEXT: .quad patchpoint_invoke
|
|
|
|
|
|
declare void @llvm.experimental.stackmap(i64, i32, ...)
|
|
declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...)
|
|
declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...)
|
|
declare i32 @__gxx_personality_v0(...)
|