; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3 ; RUN: opt -S -passes=instcombine < %s | FileCheck %s ; Make sure we don't crash. @j = internal constant i32 4 define void @y() { ; CHECK-LABEL: define void @y() { ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[FOR_COND_I:%.*]] ; CHECK: for.cond.i: ; CHECK-NEXT: br i1 false, label [[FOR_COND_I]], label [[FOR_COND5_PREHEADER_I:%.*]] ; CHECK: for.cond1.loopexit.i: ; CHECK-NEXT: store i1 true, ptr poison, align 1 ; CHECK-NEXT: br i1 poison, label [[FOR_COND_I]], label [[FOR_COND5_PREHEADER_I]] ; CHECK: for.cond5.preheader.i: ; CHECK-NEXT: br i1 false, label [[FOR_INC19_I:%.*]], label [[FOR_COND1_LOOPEXIT_I:%.*]] ; CHECK: for.inc19.i: ; CHECK-NEXT: br i1 false, label [[FOR_INC19_I]], label [[FOR_COND1_LOOPEXIT_I]] ; entry: br label %for.cond.i for.cond.i: ; preds = %for.cond1.loopexit.i, %for.cond.i, %entry %phi1 = phi ptr [ @j, %entry ], [ @j, %for.cond.i ], [ null, %for.cond1.loopexit.i ] %load1 = load i32, ptr %phi1, align 4 br i1 false, label %for.cond.i, label %for.cond5.preheader.i for.cond1.loopexit.i: ; preds = %for.inc19.i, %for.cond5.preheader.i %load2 = load i32, ptr null, align 4 %conv.i = sext i32 %load2 to i64 %tobool4.not.i = icmp eq i64 0, %conv.i br i1 %tobool4.not.i, label %for.cond.i, label %for.cond5.preheader.i for.cond5.preheader.i: ; preds = %for.cond1.loopexit.i, %for.cond.i %phi = phi i32 [ 0, %for.cond1.loopexit.i ], [ %load1, %for.cond.i ] %sub6.i = or i32 %load1, 1 %cmp5.i.i = icmp sgt i32 %load1, 41 %a.1.3.i.i = select i1 %cmp5.i.i, i32 %sub6.i, i32 0 %add.4.i.i = add i32 %a.1.3.i.i, 1 %cmp8.4.i.i = icmp sgt i32 %a.1.3.i.i, 0 %spec.select.4.i.i1 = select i1 %cmp8.4.i.i, i32 %add.4.i.i, i32 0 %cmp11.4.i.i = icmp eq i32 %add.4.i.i, 0 %add.5.i.i = or i32 %add.4.i.i, %sub6.i %cmp8.5.i.i = icmp sgt i32 %add.5.i.i, 0 %sel = select i1 %cmp5.i.i, i1 %cmp8.5.i.i, i1 false %i.1.5.i.i = select i1 %sel, i32 0, i32 %spec.select.4.i.i1 %spec.select = select i1 %cmp11.4.i.i, i32 0, i32 %i.1.5.i.i %add8.i = or i32 %spec.select, -1020499714 %cmp.i3 = icmp sgt i32 %add8.i, -1020499638 br i1 %cmp.i3, label %for.inc19.i, label %for.cond1.loopexit.i for.inc19.i: ; preds = %for.inc19.i, %for.cond5.preheader.i br i1 %sel, label %for.inc19.i, label %for.cond1.loopexit.i ; uselistorder directives uselistorder i32 %load1, { 1, 0, 2 } }