; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=newgvn -S | FileCheck %s define i32 @main(i32** %p, i32 %x, i32 %y) { ; CHECK-LABEL: @main( ; CHECK-NEXT: block1: ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: br i1 [[CMP]], label [[BLOCK2:%.*]], label [[BLOCK3:%.*]] ; CHECK: block2: ; CHECK-NEXT: [[A:%.*]] = load i32*, i32** [[P:%.*]] ; CHECK-NEXT: br label [[BLOCK4:%.*]] ; CHECK: block3: ; CHECK-NEXT: [[B:%.*]] = load i32*, i32** [[P]] ; CHECK-NEXT: br label [[BLOCK4]] ; CHECK: block4: ; CHECK-NEXT: [[EXISTINGPHI:%.*]] = phi i32* [ [[A]], [[BLOCK2]] ], [ [[B]], [[BLOCK3]] ] ; CHECK-NEXT: [[C:%.*]] = load i32, i32* [[EXISTINGPHI]] ; CHECK-NEXT: [[E:%.*]] = add i32 [[C]], [[C]] ; CHECK-NEXT: ret i32 [[E]] ; block1: %cmp = icmp eq i32 %x, %y br i1 %cmp , label %block2, label %block3 block2: %a = load i32*, i32** %p br label %block4 block3: %b = load i32*, i32** %p br label %block4 block4: %existingPHI = phi i32* [ %a, %block2 ], [ %b, %block3 ] %DEAD = load i32*, i32** %p %c = load i32, i32* %DEAD %d = load i32, i32* %existingPHI %e = add i32 %c, %d ret i32 %e }