21 lines
755 B
LLVM
21 lines
755 B
LLVM
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; RUN: opt < %s -instcombine -S | not grep call
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; RUN: opt < %s -std-compile-opts -S | not grep xyz
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target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
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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*
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store i8* %P, i8** %P_addr
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%tmp = load i8** %P_addr, align 4
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%tmp1 = getelementptr [4 x i8]* @.str, i32 0, i32 0
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* %tmp, i8* %tmp1, i32 4, i32 1, i1 false)
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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.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
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