1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck %s 3 4%ST = type { i8, i8 } 5 6define ptr @test1(ptr %x, ptr %y) nounwind { 7; CHECK-LABEL: @test1( 8; CHECK-NEXT: entry: 9; CHECK-NEXT: [[CMP:%.*]] = icmp eq ptr [[X:%.*]], null 10; CHECK-NEXT: [[INCDEC_PTR:%.*]] = getelementptr [[ST:%.*]], ptr [[X]], i32 0, i32 1 11; CHECK-NEXT: [[SPEC_SELECT:%.*]] = select i1 [[CMP]], ptr [[INCDEC_PTR]], ptr [[Y:%.*]] 12; CHECK-NEXT: ret ptr [[SPEC_SELECT]] 13; 14entry: 15 %cmp = icmp eq ptr %x, null 16 br i1 %cmp, label %if.then, label %if.end 17 18if.then: 19 %incdec.ptr = getelementptr %ST, ptr %x, i32 0, i32 1 20 br label %if.end 21 22if.end: 23 %x.addr = phi ptr [ %incdec.ptr, %if.then ], [ %y, %entry ] 24 ret ptr %x.addr 25 26} 27