| ; RUN: opt < %s -instcombine -S | not grep call | |
| ; RUN: opt < %s -O3 -S | not grep xyz | |
| 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" | |
| @.str = internal constant [4 x i8] c"xyz\00" ; <[4 x i8]*> [#uses=1] | |
| define void @foo(i8* %P) { | |
| entry: | |
| %P_addr = alloca i8* | |
| store i8* %P, i8** %P_addr | |
| %tmp = load i8*, i8** %P_addr, align 4 | |
| %tmp1 = getelementptr [4 x i8], [4 x i8]* @.str, i32 0, i32 0 | |
| call void @llvm.memcpy.p0i8.p0i8.i32(i8* %tmp, i8* %tmp1, i32 4, i1 false) | |
| br label %return | |
| return: ; preds = %entry | |
| ret void | |
| } | |
| declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i1) nounwind |