; RUN: opt -basic-aa -memdep -mldst-motion -S < %s | FileCheck %s ; RUN: opt -aa-pipeline=basic-aa -passes='require<memdep>',mldst-motion \ ; RUN: -S < %s | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" @r = common global i32 0, align 4 @s = common global i32 0, align 4 ; CHECK-LABEL: define void @test1( define void @test1(i1 %cmp, i32* noalias %p) { entry: br i1 %cmp, label %if.then, label %if.else if.then: ; preds = %entry call void @may_exit() nounwind %arrayidx = getelementptr inbounds i32, i32* %p, i64 1 %0 = load i32, i32* %arrayidx, align 4 store i32 %0, i32* @r, align 4 br label %if.end ; CHECK: call void @may_exit() ; CHECK-NEXT: %[[gep:.*]] = getelementptr inbounds i32, i32* %p, i64 1 ; CHECK-NEXT: %[[load:.*]] = load i32, i32* %[[gep]], align 4 ; CHECK-NEXT: store i32 %[[load]], i32* @r, align 4 if.else: ; preds = %entry %arrayidx1 = getelementptr inbounds i32, i32* %p, i64 1 %1 = load i32, i32* %arrayidx1, align 4 store i32 %1, i32* @s, align 4 br label %if.end if.end: ; preds = %if.else, %if.then ret void } ; CHECK-LABEL: define void @test2( define void @test2(i1 %cmp, i32* noalias %p) { entry: br i1 %cmp, label %if.then, label %if.else if.then: ; preds = %entry %arrayidx = getelementptr inbounds i32, i32* %p, i64 1 store i32 1, i32* %arrayidx, align 4 call void @may_throw() ; CHECK: %[[gep:.*]] = getelementptr inbounds i32, i32* %p, i64 1 ; CHECK-NEXT: store i32 1, i32* %[[gep]], align 4 ; CHECK-NEXT: call void @may_throw() br label %if.end if.else: ; preds = %entry %arrayidx1 = getelementptr inbounds i32, i32* %p, i64 1 store i32 2, i32* %arrayidx1, align 4 br label %if.end if.end: ; preds = %if.else, %if.then ret void } declare void @may_throw() declare void @may_exit() nounwind