131 lines
3.6 KiB
LLVM
131 lines
3.6 KiB
LLVM
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; RUN: llc -mtriple=x86_64-windows-msvc < %s | FileCheck %s --check-prefix=X64
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; RUN: llc -mtriple=i686-windows-msvc < %s | FileCheck %s --check-prefix=X86
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declare void @throw()
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declare i32 @__CxxFrameHandler3(...)
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declare void @llvm.trap()
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define void @test1() personality i32 (...)* @__CxxFrameHandler3 {
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entry:
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%alloca2 = alloca i8*, align 4
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%alloca1 = alloca i8*, align 4
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store volatile i8* null, i8** %alloca1
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invoke void @throw()
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to label %unreachable unwind label %catch.dispatch
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; X64-LABEL: test1:
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; X64: movq $0, -8(%rbp)
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; X64: callq throw
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; X86-LABEL: _test1:
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; X86: pushl %ebp
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; X86: movl %esp, %ebp
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; X86: pushl %ebx
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; X86: pushl %edi
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; X86: pushl %esi
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; X86: subl $24, %esp
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; X86: movl $0, -32(%ebp)
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; X86: calll _throw
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catch.dispatch: ; preds = %entry
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%cs = catchswitch within none [label %catch.pad] unwind to caller
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catch.pad: ; preds = %catch.dispatch
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%cp = catchpad within %cs [i8* null, i32 0, i8** %alloca1]
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%v = load volatile i8*, i8** %alloca1
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store volatile i8* null, i8** %alloca1
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%bc1 = bitcast i8** %alloca1 to i8*
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call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %bc1)
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%bc2 = bitcast i8** %alloca2 to i8*
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call void @llvm.lifetime.start.p0i8(i64 4, i8* %bc2)
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store volatile i8* null, i8** %alloca1
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call void @llvm.trap()
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unreachable
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; X64-LABEL: "?catch$2@?0?test1@4HA"
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; X64: movq $0, -8(%rbp)
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; X64: movq $0, -8(%rbp)
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; X64: ud2
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; X86-LABEL: "?catch$2@?0?test1@4HA"
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; X86: movl $0, -32(%ebp)
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; X86: movl $0, -32(%ebp)
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; X86: ud2
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unreachable: ; preds = %entry
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unreachable
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}
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; X64-LABEL: $cppxdata$test1:
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; X64: .long 56 # CatchObjOffset
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; -20 is difference between the end of the EH reg node stack object and the
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; catch object at EBP -32.
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; X86-LABEL: L__ehtable$test1:
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; X86: .long -20 # CatchObjOffset
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define void @test2() personality i32 (...)* @__CxxFrameHandler3 {
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entry:
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%alloca2 = alloca i8*, align 4
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%alloca1 = alloca i8*, align 4
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store volatile i8* null, i8** %alloca1
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invoke void @throw()
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to label %unreachable unwind label %catch.dispatch
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; X64-LABEL: test2:
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; X64: movq $0, -16(%rbp)
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; X64: callq throw
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; X86-LABEL: _test2:
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; X86: movl $0, -32(%ebp)
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; X86: calll _throw
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catch.dispatch: ; preds = %entry
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%cs = catchswitch within none [label %catch.pad] unwind to caller
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catch.pad: ; preds = %catch.dispatch
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%cp = catchpad within %cs [i8* null, i32 0, i8** null]
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store volatile i8* null, i8** %alloca1
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%bc1 = bitcast i8** %alloca1 to i8*
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call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %bc1)
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%bc2 = bitcast i8** %alloca2 to i8*
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call void @llvm.lifetime.start.p0i8(i64 4, i8* %bc2)
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store volatile i8* null, i8** %alloca1
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call void @llvm.trap()
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unreachable
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; X64-LABEL: "?catch$2@?0?test2@4HA"
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; X64: movq $0, -16(%rbp)
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; X64: movq $0, -16(%rbp)
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; X64: ud2
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; X86-LABEL: "?catch$2@?0?test2@4HA"
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; X86: movl $0, -32(%ebp)
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; X86: movl $0, -32(%ebp)
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; X86: ud2
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unreachable: ; preds = %entry
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unreachable
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}
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; X64-LABEL: $cppxdata$test2:
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; X64: .long 0 # CatchObjOffset
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; X86-LABEL: L__ehtable$test2:
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; X86: .long 0 # CatchObjOffset
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; Function Attrs: argmemonly nounwind
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declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #0
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; Function Attrs: argmemonly nounwind
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declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #0
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attributes #0 = { argmemonly nounwind }
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