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21 lines
670 B
LLVM
21 lines
670 B
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep call
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; RUN: llvm-as < %s | opt -std-compile-opts | llvm-dis | not grep xyz
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@.str = internal constant [4 x i8] c"xyz\00" ; <[4 x i8]*> [#uses=1]
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define void @foo(i8* %P) {
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entry:
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%P_addr = alloca i8* ; <i8**> [#uses=2]
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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store i8* %P, i8** %P_addr
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%tmp = load i8** %P_addr, align 4 ; <i8*> [#uses=1]
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%tmp1 = getelementptr [4 x i8]* @.str, i32 0, i32 0 ; <i8*> [#uses=1]
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call void @llvm.memcpy.i32( i8* %tmp, i8* %tmp1, i32 4, i32 1 )
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br label %return
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return: ; preds = %entry
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ret void
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}
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declare void @llvm.memcpy.i32(i8*, i8*, i32, i32)
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