; 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