106 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			106 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -verify-machineinstrs -mtriple=i686-pc-windows-msvc < %s \
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| ; RUN:     | FileCheck --check-prefix=CHECK --check-prefix=X86 %s
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| ; RUN: llc -verify-machineinstrs -mtriple=x86_64-pc-windows-msvc < %s \
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| ; RUN:     | FileCheck --check-prefix=CHECK --check-prefix=X64 %s
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| 
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| ; Loosely based on IR for this C++ source code:
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| ;   void f(int p);
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| ;   void try_in_catch() {
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| ;     try {
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| ;       f(1);
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| ;     } catch (...) {
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| ;       try {
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| ;         f(2);
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| ;       } catch (...) {
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| ;         f(3);
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| ;       }
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| ;     }
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| ;   }
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| 
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| declare void @f(i32 %p)
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| declare i32 @__CxxFrameHandler3(...)
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| 
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| define i32 @try_in_catch() personality i32 (...)* @__CxxFrameHandler3 {
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| entry:
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|   invoke void @f(i32 1)
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|           to label %try.cont unwind label %catch.dispatch.1
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| try.cont:
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|   ret i32 0
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| 
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| catch.dispatch.1:
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|   %cs1 = catchswitch within none [label %handler1] unwind to caller
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| handler1:
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|   %h1 = catchpad within %cs1 [i8* null, i32 64, i8* null]
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|   invoke void @f(i32 2) [ "funclet"(token %h1) ]
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|           to label %catchret1 unwind label %catch.dispatch.2
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| catchret1:
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|   catchret from %h1 to label %try.cont
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| 
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| catch.dispatch.2:
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|   %cs2 = catchswitch within %h1 [label %handler2] unwind to caller
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| handler2:
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|   %h2 = catchpad within %cs2 [i8* null, i32 64, i8* null]
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|   call void @f(i32 3)
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|   catchret from %h2 to label %catchret1
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| }
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| 
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| ; X86-LABEL: L__ehtable$try_in_catch:
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| ; X64-LABEL: $cppxdata$try_in_catch:
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| ; CHECK-NEXT: .long   429065506
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| ; CHECK-NEXT: .long   4
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| ; CHECK-NEXT: .long   ($stateUnwindMap$try_in_catch)
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| ; CHECK-NEXT: .long   2
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| ; CHECK-NEXT: .long   ($tryMap$try_in_catch)
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| ; ip2state num + ptr
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| ; X86-NEXT: .long   0
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| ; X86-NEXT: .long   0
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| ; X64-NEXT: .long   7
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| ; X64-NEXT: .long   ($ip2state$try_in_catch)
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| ; unwindhelp offset
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| ; X64-NEXT: .long   40
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| ; CHECK-NEXT: .long   0
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| ; EHFlags
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| ; CHECK-NEXT: .long   1
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| 
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| ; CHECK: $tryMap$try_in_catch:
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| ; CHECK-NEXT: .long   2
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| ; CHECK-NEXT: .long   2
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| ; CHECK-NEXT: .long   3
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| ; CHECK-NEXT: .long   1
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| ; CHECK-NEXT: .long   ($handlerMap$0$try_in_catch)
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| ; CHECK-NEXT: .long   0
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| ; CHECK-NEXT: .long   0
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| ; CHECK-NEXT: .long   3
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| ; CHECK-NEXT: .long   1
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| ; CHECK-NEXT: .long   ($handlerMap$1$try_in_catch)
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| 
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| ; CHECK: $handlerMap$0$try_in_catch:
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| ; CHECK-NEXT:   .long   64
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| ; CHECK-NEXT:   .long   0
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| ; CHECK-NEXT:   .long   0
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| ; CHECK-NEXT:   .long   "?catch${{[0-9]+}}@?0?try_in_catch@4HA"
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| ; X64-NEXT:   .long   56
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| 
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| ; CHECK: $handlerMap$1$try_in_catch:
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| ; CHECK-NEXT:   .long   64
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| ; CHECK-NEXT:   .long   0
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| ; CHECK-NEXT:   .long   0
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| ; CHECK-NEXT:   .long   "?catch${{[0-9]+}}@?0?try_in_catch@4HA"
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| ; X64-NEXT:   .long   56
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| 
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| ; X64: $ip2state$try_in_catch:
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| ; X64-NEXT: .long   .Lfunc_begin0@IMGREL
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| ; X64-NEXT: .long   -1
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| ; X64-NEXT: .long   .Ltmp0@IMGREL+1
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| ; X64-NEXT: .long   0
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| ; X64-NEXT: .long   .Ltmp1@IMGREL+1
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| ; X64-NEXT: .long   -1
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| ; X64-NEXT: .long   "?catch$2@?0?try_in_catch@4HA"@IMGREL
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| ; X64-NEXT: .long   1
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| ; X64-NEXT: .long   .Ltmp2@IMGREL+1
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| ; X64-NEXT: .long   2
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| ; X64-NEXT: .long   .Ltmp3@IMGREL+1
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| ; X64-NEXT: .long   1
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| ; X64-NEXT: .long   "?catch$4@?0?try_in_catch@4HA"@IMGREL
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| ; X64-NEXT: .long   3
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