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ba1a635d0f
Summary: This patch modifies X86TargetLowering::LowerVASTART so that struct va_list is initialized with 32 bit pointers in x32. It also includes tests that call @llvm.va_start() for x32. Patch by João Porto Subscribers: llvm-commits, hjl.tools Differential Revision: http://reviews.llvm.org/D12346 llvm-svn: 247069
31 lines
1.0 KiB
LLVM
31 lines
1.0 KiB
LLVM
; RUN: llc < %s -march=x86 -mattr=+sse2,+soft-float | FileCheck %s
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; RUN: llc < %s -march=x86-64 -mattr=+sse2,+soft-float | FileCheck %s
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; RUN: llc < %s -mtriple=x86_64-gnux32 -mattr=+sse2,+soft-float | FileCheck %s
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; CHECK-NOT: xmm{[0-9]+}
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%struct.__va_list_tag = type { i32, i32, i8*, i8* }
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define i32 @t1(i32 %a, ...) nounwind {
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entry:
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%va = alloca [1 x %struct.__va_list_tag], align 8 ; <[1 x %struct.__va_list_tag]*> [#uses=2]
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%va12 = bitcast [1 x %struct.__va_list_tag]* %va to i8* ; <i8*> [#uses=2]
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call void @llvm.va_start(i8* %va12)
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%va3 = getelementptr [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %va, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1]
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call void @bar(%struct.__va_list_tag* %va3) nounwind
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call void @llvm.va_end(i8* %va12)
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ret i32 undef
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}
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declare void @llvm.va_start(i8*) nounwind
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declare void @bar(%struct.__va_list_tag*)
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declare void @llvm.va_end(i8*) nounwind
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define float @t2(float %a, float %b) nounwind readnone {
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entry:
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%0 = fadd float %a, %b ; <float> [#uses=1]
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ret float %0
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}
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