| ; RUN: opt < %s -instcombine -S | FileCheck %s |
| ; PR9820 |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @func_1.l_10 = internal unnamed_addr constant [4 x i32] [i32 1, i32 0, i32 0, i32 0], align 16 |
| |
| define i32* @noop(i32* %p_29) nounwind readnone { |
| entry: |
| ret i32* %p_29 |
| } |
| |
| define i32 @main() nounwind { |
| entry: |
| %l_10 = alloca [4 x i32], align 16 |
| %tmp = bitcast [4 x i32]* %l_10 to i8* |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp, i8* bitcast ([4 x i32]* @func_1.l_10 to i8*), i64 16, i32 16, i1 false) |
| ; CHECK: call void @llvm.memcpy |
| %arrayidx = getelementptr inbounds [4 x i32]* %l_10, i64 0, i64 0 |
| %call = call i32* @noop(i32* %arrayidx) |
| store i32 0, i32* %call |
| ret i32 0 |
| } |
| |
| declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind |
