1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; This is currently failing because of bug in LoopSimplifyCFG. It does not update 3; duplicating Phi inputs properly. 4; REQUIRES: asserts 5; RUN: opt -S -enable-loop-simplifycfg-term-folding=true -passes='require<domtree>,loop(loop-simplifycfg)' -debug-only=loop-simplifycfg -verify-loop-info -verify-dom-info -verify-loop-lcssa 2>&1 < %s | FileCheck %s 6; RUN: opt -S -enable-loop-simplifycfg-term-folding=true -passes=loop-simplifycfg -verify-memoryssa -debug-only=loop-simplifycfg -verify-loop-info -verify-dom-info -verify-loop-lcssa 2>&1 < %s | FileCheck %s 7 8target datalayout = "P40" 9 10@a = external global i16, align 1 11 12define void @f1(i1 %cond) { 13; CHECK-LABEL: @f1( 14; CHECK-NEXT: entry: 15; CHECK-NEXT: br label [[FOR_COND:%.*]] 16; CHECK: for.cond: 17; CHECK-NEXT: br i1 [[COND:%.*]], label [[IF_THEN:%.*]], label [[FOR_INC:%.*]] 18; CHECK: if.then: 19; CHECK-NEXT: [[TMP0:%.*]] = load i16, ptr @a, align 1 20; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i16 [[TMP0]], 0 21; CHECK-NEXT: br label [[FOR_INC]] 22; CHECK: for.inc: 23; CHECK-NEXT: [[C_1:%.*]] = phi i16 [ 2, [[IF_THEN]] ], [ 1, [[FOR_COND]] ] 24; CHECK-NEXT: br label [[FOR_COND]] 25; 26entry: 27 br label %for.cond 28 29for.cond: 30 br i1 %cond, label %if.then, label %for.inc 31 32if.then: 33 %0 = load i16, ptr @a, align 1 34 %tobool = icmp ne i16 %0, 0 35 br i1 %tobool, label %for.inc, label %for.inc 36 37for.inc: 38 %c.1 = phi i16 [ 2, %if.then ], [ 2, %if.then ], [ 1, %for.cond ] 39 br label %for.cond 40} 41