; RUN: opt -S -memcpyopt < %s | FileCheck %s declare void @may_throw(i32* nocapture %x) ; CHECK-LABEL: define void @test1( define void @test1(i32* nocapture noalias dereferenceable(4) %x) { entry: %t = alloca i32, align 4 call void @may_throw(i32* nonnull %t) %load = load i32, i32* %t, align 4 store i32 %load, i32* %x, align 4 ; CHECK: %[[t:.*]] = alloca i32, align 4 ; CHECK-NEXT: call void @may_throw(i32* {{.*}} %[[t]]) ; CHECK-NEXT: %[[load:.*]] = load i32, i32* %[[t]], align 4 ; CHECK-NEXT: store i32 %[[load]], i32* %x, align 4 ret void } declare void @always_throws() ; CHECK-LABEL: define void @test2( define void @test2(i32* nocapture noalias dereferenceable(4) %x) { entry: %t = alloca i32, align 4 call void @may_throw(i32* nonnull %t) nounwind %load = load i32, i32* %t, align 4 call void @always_throws() store i32 %load, i32* %x, align 4 ; CHECK: %[[t:.*]] = alloca i32, align 4 ; CHECK-NEXT: call void @may_throw(i32* {{.*}} %[[t]]) ; CHECK-NEXT: %[[load:.*]] = load i32, i32* %[[t]], align 4 ; CHECK-NEXT: call void @always_throws() ; CHECK-NEXT: store i32 %[[load]], i32* %x, align 4 ret void }