| ; RUN: opt -memcpyopt -S < %s | FileCheck %s |
| |
| @cst = internal constant [3 x i32] [i32 -1, i32 -1, i32 -1], align 4 |
| |
| declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) nounwind |
| declare void @foo(i32*) nounwind |
| |
| define void @test1() nounwind { |
| %arr = alloca [3 x i32], align 4 |
| %arr_i8 = bitcast [3 x i32]* %arr to i8* |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %arr_i8, i8* align 4 bitcast ([3 x i32]* @cst to i8*), i64 12, i1 false) |
| %arraydecay = getelementptr inbounds [3 x i32], [3 x i32]* %arr, i64 0, i64 0 |
| call void @foo(i32* %arraydecay) nounwind |
| ret void |
| ; CHECK-LABEL: @test1( |
| ; CHECK: call void @llvm.memset |
| ; CHECK-NOT: call void @llvm.memcpy |
| ; CHECK: ret void |
| } |
