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; 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 }
}
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