1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -passes=jump-threading < %s | FileCheck %s 3 4declare i8 @mcguffin() 5 6; Check there's no phi here. 7define i32 @test(i1 %foo, i8 %b) { 8; CHECK-LABEL: @test( 9; CHECK-NEXT: entry: 10; CHECK-NEXT: [[A:%.*]] = call i8 @mcguffin() 11; CHECK-NEXT: br i1 [[FOO:%.*]], label [[RT:%.*]], label [[JT:%.*]] 12; CHECK: jt: 13; CHECK-NEXT: [[CMP_A:%.*]] = icmp eq i8 [[B:%.*]], [[A]] 14; CHECK-NEXT: br i1 [[CMP_A]], label [[RT]], label [[RF:%.*]] 15; CHECK: rt: 16; CHECK-NEXT: ret i32 7 17; CHECK: rf: 18; CHECK-NEXT: ret i32 8 19; 20entry: 21 %a = call i8 @mcguffin() 22 br i1 %foo, label %bb1, label %bb2 23bb1: 24 br label %jt 25bb2: 26 br label %jt 27jt: 28 %x = phi i8 [%a, %bb1], [%b, %bb2] 29 %cmp.a = icmp eq i8 %x, %a 30 br i1 %cmp.a, label %rt, label %rf 31rt: 32 ret i32 7 33rf: 34 ret i32 8 35} 36