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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -passes="function(require<block-freq>,loop(loop-unroll-full)),always-inline" < %s | FileCheck %s
; Make sure this does not crash.
define void @f_116_0(ptr %p) alwaysinline {
; CHECK-LABEL: define void @f_116_0(
; CHECK-SAME: ptr [[P:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[DOTPRE:%.*]] = load i16, ptr [[P]], align 1
; CHECK-NEXT: br label %[[FOR_COND:.*]]
; CHECK: [[FOR_COND]]:
; CHECK-NEXT: [[CMP3:%.*]] = icmp ult i16 [[DOTPRE]], 1
; CHECK-NEXT: br i1 [[CMP3]], label %[[FOR_BODY:.*]], label %[[FOR_COND_CLEANUP:.*]]
; CHECK: [[FOR_COND_CLEANUP]]:
; CHECK-NEXT: ret void
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: br label %[[FOR_COND]]
;
entry:
%.pre = load i16, ptr %p, align 1
br label %for.cond
for.cond: ; preds = %for.body, %entry
%cmp3 = icmp ult i16 %.pre, 1
br i1 %cmp3, label %for.body, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.cond
ret void
for.body: ; preds = %for.cond
br label %for.cond
}
define void @f_321_0(ptr %p) alwaysinline {
; CHECK-LABEL: define void @f_321_0(
; CHECK-SAME: ptr [[P:%.*]]) #[[ATTR0]] {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: br label %[[FOR_COND:.*]]
; CHECK: [[FOR_COND]]:
; CHECK-NEXT: br i1 false, label %[[CRIT_EDGE:.*]], label %[[FOR_COND_CLEANUP:.*]]
; CHECK: [[CRIT_EDGE]]:
; CHECK-NEXT: unreachable
; CHECK: [[FOR_COND_CLEANUP]]:
; CHECK-NEXT: [[DOTPRE_I:%.*]] = load i16, ptr [[P]], align 1
; CHECK-NEXT: br label %[[FOR_COND_I:.*]]
; CHECK: [[FOR_COND_I]]:
; CHECK-NEXT: [[CMP3_I:%.*]] = icmp ult i16 [[DOTPRE_I]], 1
; CHECK-NEXT: br i1 [[CMP3_I]], label %[[FOR_BODY_I:.*]], label %[[F_116_0_EXIT:.*]]
; CHECK: [[FOR_BODY_I]]:
; CHECK-NEXT: br label %[[FOR_COND_I]]
; CHECK: [[F_116_0_EXIT]]:
; CHECK-NEXT: ret void
;
entry:
br label %for.cond
for.cond: ; preds = %crit_edge, %entry
br i1 false, label %crit_edge, label %for.cond.cleanup
crit_edge: ; preds = %for.cond
br label %for.cond
for.cond.cleanup: ; preds = %for.cond
call void @f_116_0(ptr %p)
ret void
}
define i16 @main(ptr %p) {
; CHECK-LABEL: define i16 @main(
; CHECK-SAME: ptr [[P:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: br label %[[FOR_COND:.*]]
; CHECK: [[FOR_COND]]:
; CHECK-NEXT: br label %[[FOR_COND]]
; CHECK: [[IF_ELSE:.*:]]
; CHECK-NEXT: [[DOTPRE_I_I:%.*]] = load i16, ptr [[P]], align 1
; CHECK-NEXT: br label %[[FOR_COND_I_I:.*]]
; CHECK: [[FOR_COND_I_I]]:
; CHECK-NEXT: [[CMP3_I_I:%.*]] = icmp ult i16 [[DOTPRE_I_I]], 1
; CHECK-NEXT: br i1 [[CMP3_I_I]], label %[[FOR_BODY_I_I:.*]], label %[[F_321_0_EXIT:.*]]
; CHECK: [[FOR_BODY_I_I]]:
; CHECK-NEXT: br label %[[FOR_COND_I_I]]
; CHECK: [[F_321_0_EXIT]]:
; CHECK-NEXT: br label %[[FOR_COND115:.*]]
; CHECK: [[FOR_COND115]]:
; CHECK-NEXT: br label %[[FOR_COND115]]
;
entry:
br label %for.cond
for.cond: ; preds = %for.cond, %entry
br label %for.cond
if.else: ; No predecessors!
call void @f_321_0(ptr %p)
br label %for.cond115
for.cond115: ; preds = %for.cond115, %if.else
br label %for.cond115
}
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