| ; RUN: opt < %s -passes=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" ; <ptr> [#uses=1] |
| |
| define void @foo(ptr %P) { |
| entry: |
| %P_addr = alloca ptr |
| store ptr %P, ptr %P_addr |
| %tmp = load ptr, ptr %P_addr, align 4 |
| call void @llvm.memcpy.p0.p0.i32(ptr %tmp, ptr @.str, i32 4, i1 false) |
| br label %return |
| |
| return: ; preds = %entry |
| ret void |
| } |
| |
| declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture, i32, i1) nounwind |
