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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=newgvn -S | FileCheck %s3 4define i32 @main(ptr %p, i32 %x, i32 %y) {5; CHECK-LABEL: @main(6; CHECK-NEXT: block1:7; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], [[Y:%.*]]8; CHECK-NEXT: br i1 [[CMP]], label [[BLOCK2:%.*]], label [[BLOCK3:%.*]]9; CHECK: block2:10; CHECK-NEXT: [[A:%.*]] = load ptr, ptr [[P:%.*]], align 811; CHECK-NEXT: br label [[BLOCK4:%.*]]12; CHECK: block3:13; CHECK-NEXT: [[B:%.*]] = load ptr, ptr [[P]], align 814; CHECK-NEXT: br label [[BLOCK4]]15; CHECK: block4:16; CHECK-NEXT: [[EXISTINGPHI:%.*]] = phi ptr [ [[A]], [[BLOCK2]] ], [ [[B]], [[BLOCK3]] ]17; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[EXISTINGPHI]], align 418; CHECK-NEXT: [[E:%.*]] = add i32 [[C]], [[C]]19; CHECK-NEXT: ret i32 [[E]]20;21block1:22 %cmp = icmp eq i32 %x, %y23 br i1 %cmp , label %block2, label %block324 25block2:26 %a = load ptr, ptr %p27 br label %block428 29block3:30 %b = load ptr, ptr %p31 br label %block432 33block4:34 %existingPHI = phi ptr [ %a, %block2 ], [ %b, %block3 ]35 %DEAD = load ptr, ptr %p36 %c = load i32, ptr %DEAD37 %d = load i32, ptr %existingPHI38 %e = add i32 %c, %d39 ret i32 %e40}41