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6ebf55d811
structure not just a pointer. This implements that and thus fixes va_copy on PPC32. Fixes #15286. Both bug and patch by Florian Zeitz! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187158 91177308-0d34-0410-b5e6-96231b3b80d8
25 lines
592 B
LLVM
25 lines
592 B
LLVM
; RUN: llc -mtriple="powerpc-unknown-linux-gnu" < %s | FileCheck %s
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; PR15286
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%va_list = type {i8, i8, i16, i8*, i8*}
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declare void @llvm.va_copy(i8*, i8*)
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define void @test_vacopy() nounwind {
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entry:
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%0 = alloca %va_list
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%1 = alloca %va_list
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%2 = bitcast %va_list* %0 to i8*
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%3 = bitcast %va_list* %1 to i8*
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call void @llvm.va_copy(i8* %3, i8* %2)
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ret void
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}
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; CHECK: test_vacopy:
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; CHECK: lwz [[REG1:[0-9]+]], {{.*}}
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; CHECK: lwz [[REG2:[0-9]+]], {{.*}}
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; CHECK: lwz [[REG3:[0-9]+]], {{.*}}
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; CHECK: stw [[REG1]], {{.*}}
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; CHECK: stw [[REG2]], {{.*}}
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; CHECK: stw [[REG3]], {{.*}}
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