auto *NewPN = PHINode::Create(Opd1->getType(), 2, Opd2->getName() + ".sink",
&BB->front());
+ NewPN->applyMergedLocation(S0->getDebugLoc(), S1->getDebugLoc());
NewPN->addIncoming(Opd1, S0->getParent());
NewPN->addIncoming(Opd2, S1->getParent());
return NewPN;
--- /dev/null
+; RUN: opt < %s -S -debugify -mldst-motion -o - | FileCheck %s
+
+%struct.S = type { i32 }
+
+define dso_local void @foo(%struct.S* %this, i32 %bar) {
+entry:
+ %this.addr = alloca %struct.S*, align 8
+ %bar.addr = alloca i32, align 4
+ store %struct.S* %this, %struct.S** %this.addr, align 8
+ store i32 %bar, i32* %bar.addr, align 4
+ %this1 = load %struct.S*, %struct.S** %this.addr, align 8
+ %0 = load i32, i32* %bar.addr, align 4
+ %tobool = icmp ne i32 %0, 0
+ br i1 %tobool, label %if.then, label %if.else
+
+if.then: ; preds = %entry
+ %foo = getelementptr inbounds %struct.S, %struct.S* %this1, i32 0, i32 0
+ store i32 1, i32* %foo, align 4
+ br label %if.end
+
+if.else: ; preds = %entry
+ %foo2 = getelementptr inbounds %struct.S, %struct.S* %this1, i32 0, i32 0
+ store i32 0, i32* %foo2, align 4
+ br label %if.end
+
+if.end: ; preds = %if.else, %if.then
+ ret void
+}
+
+; CHECK: @foo
+; CHECK: if.end: ; preds = %if.else, %if.then
+; CHECK-NEXT: %.sink = phi {{.*}} !dbg