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bdbe8280f2
In preparation for allowing allocas to have non-0 addrspace. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@299876 91177308-0d34-0410-b5e6-96231b3b80d8
92 lines
2.7 KiB
LLVM
92 lines
2.7 KiB
LLVM
; RUN: llc < %s | FileCheck %s
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target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
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target triple = "x86_64-pc-windows-msvc"
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declare void @throw()
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declare i32 @__CxxFrameHandler3(...)
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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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; CHECK-LABEL: test1:
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; CHECK: movq $0, -8(%rbp)
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; CHECK: callq 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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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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unreachable
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; CHECK-LABEL: "?catch$2@?0?test1@4HA"
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; CHECK: movq $0, -8(%rbp)
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; CHECK: movq $0, -8(%rbp)
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; CHECK: ud2
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unreachable: ; preds = %entry
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unreachable
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}
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; CHECK-LABEL: $cppxdata$test1:
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; CHECK: .long 56 # 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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; CHECK-LABEL: test2:
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; CHECK: movq $0, -16(%rbp)
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; CHECK: callq 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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unreachable
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; CHECK-LABEL: "?catch$2@?0?test2@4HA"
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; CHECK: movq $0, -16(%rbp)
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; CHECK: movq $0, -16(%rbp)
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; CHECK: ud2
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unreachable: ; preds = %entry
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unreachable
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}
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; CHECK-LABEL: $cppxdata$test2:
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; CHECK: .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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