1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3 2; RUN: opt -passes=instcombine -S < %s | FileCheck %s 3 4define void @pr71330(i32 %conv, i1 %tobool19.not4, i16 %lb) { 5; CHECK-LABEL: define void @pr71330( 6; CHECK-SAME: i32 [[CONV:%.*]], i1 [[TOBOOL19_NOT4:%.*]], i16 [[LB:%.*]]) { 7; CHECK-NEXT: entry: 8; CHECK-NEXT: br label [[FOR_COND7_PREHEADER:%.*]] 9; CHECK: for.cond7.preheader: 10; CHECK-NEXT: br i1 [[TOBOOL19_NOT4]], label [[FOR_COND7_PREHEADER_SPLIT_US:%.*]], label [[FOR_COND7:%.*]] 11; CHECK: for.cond7.preheader.split.us: 12; CHECK-NEXT: br i1 true, label [[FOR_COND7_PREHEADER_SPLIT_US_SPLIT:%.*]], label [[FOR_COND7_US_US:%.*]] 13; CHECK: for.cond7.us.us: 14; CHECK-NEXT: br i1 poison, label [[FOR_COND7_US_US]], label [[FOR_END25:%.*]] 15; CHECK: for.cond7.preheader.split.us.split: 16; CHECK-NEXT: ret void 17; CHECK: for.cond7: 18; CHECK-NEXT: [[CMP12:%.*]] = icmp slt i32 [[CONV]], 0 19; CHECK-NEXT: br i1 [[CMP12]], label [[FOR_BODY14:%.*]], label [[FOR_END25]] 20; CHECK: for.body14: 21; CHECK-NEXT: ret void 22; CHECK: for.end25: 23; CHECK-NEXT: br i1 false, label [[FOR_COND7_PREHEADER]], label [[FOR_END36:%.*]] 24; CHECK: for.end36: 25; CHECK-NEXT: ret void 26; 27entry: 28 br label %for.cond7.preheader 29 30for.cond7.preheader: ; preds = %for.end25, %entry 31 %storemerge33 = phi i32 [ -3, %entry ], [ 0, %for.end25 ] 32 %sm8 = and i32 %storemerge33, 1 33 %add = add i32 %storemerge33, 8 34 %cmp.i.i.not = icmp eq i32 %sm8, 0 35 %cmp3.i.i = icmp eq i32 %add, 0 36 %and7.i.i = and i32 %storemerge33, 1 37 %cmp8.i.i = icmp eq i32 %and7.i.i, 0 38 %tobool.not.i.i = icmp eq i32 %add, 0 39 %..i.i = select i1 %tobool.not.i.i, i32 1, i32 3 40 br i1 %tobool19.not4, label %for.cond7.preheader.split.us, label %for.cond7 41 42for.cond7.preheader.split.us: ; preds = %for.cond7.preheader 43 br i1 %cmp.i.i.not, label %for.cond7.us.us, label %for.cond7.preheader.split.us.split 44 45for.cond7.us.us: ; preds = %for.cond7.us.us, %for.cond7.preheader.split.us 46 %spec.select = select i1 %cmp8.i.i, i32 1, i32 %..i.i 47 %retval.0.i.i.us.us = select i1 %cmp3.i.i, i32 0, i32 %spec.select 48 %add9.us.us = add i32 %retval.0.i.i.us.us, %conv 49 %conv10.us.us = sext i32 %add9.us.us to i64 50 %cmp12.us.us = icmp slt i64 %conv10.us.us, 0 51 br i1 %cmp12.us.us, label %for.cond7.us.us, label %for.end25 52 53for.cond7.preheader.split.us.split: ; preds = %for.cond7.preheader.split.us 54 ret void 55 56for.cond7: ; preds = %for.cond7.preheader 57 %cmp.i.i.not.not = xor i1 %cmp.i.i.not, true 58 %brmerge = select i1 %cmp.i.i.not.not, i1 true, i1 %cmp3.i.i 59 %spec.select34 = select i1 %cmp8.i.i, i32 1, i32 %..i.i 60 %retval.0.i.i = select i1 %brmerge, i32 0, i32 %spec.select34 61 %add9 = add i32 %retval.0.i.i, %conv 62 %conv10 = sext i32 %add9 to i64 63 %cmp12 = icmp slt i64 %conv10, 0 64 br i1 %cmp12, label %for.body14, label %for.end25 65 66for.body14: ; preds = %for.cond7 67 ret void 68 69for.end25: ; preds = %for.cond7, %for.cond7.us.us 70 %conv35 = zext i16 %lb to i32 71 %cmp = icmp slt i32 %conv35, 0 72 br i1 %cmp, label %for.cond7.preheader, label %for.end36 73 74for.end36: ; preds = %for.end25 75 ret void 76} 77