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 -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='require<domtree>,loop(loop-simplifycfg)' -debug-only=loop-simplifycfg -verify-loop-info -verify-dom-info -verify-loop-lcssa 2>&1 < %s | FileCheck %s 7; RUN: opt -S -enable-loop-simplifycfg-term-folding=true -loop-simplifycfg -enable-mssa-loop-dependency=true -verify-memoryssa -debug-only=loop-simplifycfg -verify-loop-info -verify-dom-info -verify-loop-lcssa 2>&1 < %s | FileCheck %s 8 9target datalayout = "P40" 10 11@a = external global i16, align 1 12 13define void @f1(i1 %cond) { 14; CHECK-LABEL: @f1( 15; CHECK-NEXT: entry: 16; CHECK-NEXT: br label [[FOR_COND:%.*]] 17; CHECK: for.cond: 18; CHECK-NEXT: br i1 [[COND:%.*]], label [[IF_THEN:%.*]], label [[FOR_INC:%.*]] 19; CHECK: if.then: 20; CHECK-NEXT: [[TMP0:%.*]] = load i16, i16* @a, align 1 21; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i16 [[TMP0]], 0 22; CHECK-NEXT: br label [[FOR_INC]] 23; CHECK: for.inc: 24; CHECK-NEXT: [[C_1:%.*]] = phi i16 [ 2, [[IF_THEN]] ], [ 1, [[FOR_COND]] ] 25; CHECK-NEXT: br label [[FOR_COND]] 26; 27entry: 28 br label %for.cond 29 30for.cond: 31 br i1 %cond, label %if.then, label %for.inc 32 33if.then: 34 %0 = load i16, i16* @a, align 1 35 %tobool = icmp ne i16 %0, 0 36 br i1 %tobool, label %for.inc, label %for.inc 37 38for.inc: 39 %c.1 = phi i16 [ 2, %if.then ], [ 2, %if.then ], [ 1, %for.cond ] 40 br label %for.cond 41} 42