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81e35b4d47
drop attributes on varargs call arguments. Also, it could generate invalid IR if the transformed call already had the 'nest' attribute somewhere (this can never happen for code coming from llvm-gcc, but it's a theoretical possibility). Fix both problems. llvm-svn: 45973
25 lines
1.2 KiB
LLVM
25 lines
1.2 KiB
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep zeroext
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%struct.FRAME.nest = type { i32, i32 (...)* }
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%struct.__builtin_trampoline = type { [10 x i8] }
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declare i8* @llvm.init.trampoline(i8*, i8*, i8*) nounwind
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declare i32 @f(%struct.FRAME.nest* nest , ...)
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define i32 @nest(i32 %n) {
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entry:
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%FRAME.0 = alloca %struct.FRAME.nest, align 8 ; <%struct.FRAME.nest*> [#uses=3]
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%TRAMP.216 = alloca [10 x i8], align 16 ; <[10 x i8]*> [#uses=1]
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%TRAMP.216.sub = getelementptr [10 x i8]* %TRAMP.216, i32 0, i32 0 ; <i8*> [#uses=1]
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%tmp3 = getelementptr %struct.FRAME.nest* %FRAME.0, i32 0, i32 0 ; <i32*> [#uses=1]
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store i32 %n, i32* %tmp3, align 8
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%FRAME.06 = bitcast %struct.FRAME.nest* %FRAME.0 to i8* ; <i8*> [#uses=1]
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%tramp = call i8* @llvm.init.trampoline( i8* %TRAMP.216.sub, i8* bitcast (i32 (%struct.FRAME.nest*, ...)* @f to i8*), i8* %FRAME.06 ) ; <i8*> [#uses=1]
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%tmp7 = getelementptr %struct.FRAME.nest* %FRAME.0, i32 0, i32 1 ; <i32 (...)**> [#uses=1]
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%tmp89 = bitcast i8* %tramp to i32 (...)* ; <i32 (...)*> [#uses=2]
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store i32 (...)* %tmp89, i32 (...)** %tmp7, align 8
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%tmp2.i = call i32 (...)* %tmp89( i32 zeroext 0 ) ; <i32> [#uses=1]
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ret i32 %tmp2.i
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}
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