1 ; RUN: opt < %s -instcombine -S | not grep call 2 ; RUN: opt < %s -O3 -S | not grep xyz 3 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" 4 5 @.str = internal constant [4 x i8] c"xyz\00" ; <[4 x i8]*> [#uses=1] 6 7 define void @foo(i8* %P) { 8 entry: 9 %P_addr = alloca i8* 10 store i8* %P, i8** %P_addr 11 %tmp = load i8*, i8** %P_addr, align 4 12 %tmp1 = getelementptr [4 x i8], [4 x i8]* @.str, i32 0, i32 0 13 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %tmp, i8* %tmp1, i32 4, i32 1, i1 false) 14 br label %return 15 16 return: ; preds = %entry 17 ret void 18 } 19 20 declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind 21
