47 lines
1.7 KiB
LLVM
47 lines
1.7 KiB
LLVM
|
; RUN: opt %s -S -loop-unroll -licm | FileCheck %s
|
||
|
|
||
|
; Check that we can deal with loops where a parent loop gets deleted before it
|
||
|
; is visited by LICM.
|
||
|
define void @test() {
|
||
|
; CHECK-LABEL: define void @test() {
|
||
|
; CHECK-LABEL: entry:
|
||
|
; CHECK-NEXT: br label %for.body43
|
||
|
|
||
|
; CHECK-LABEL: for.body43: ; preds = %entry
|
||
|
; CHECK-NEXT: br label %if.else75
|
||
|
|
||
|
; CHECK-LABEL: if.else75: ; preds = %for.body43
|
||
|
; CHECK-NEXT: br label %for.body467
|
||
|
|
||
|
; CHECK-LABEL: for.body467: ; preds = %for.body467.for.body467_crit_edge, %if.else75
|
||
|
; CHECK-NEXT: br label %for.body467.for.body467_crit_edge
|
||
|
|
||
|
; CHECK-LABEL: for.body467.for.body467_crit_edge: ; preds = %for.body467
|
||
|
; CHECK-NEXT: br i1 false, label %for.end539, label %for.body467
|
||
|
|
||
|
; CHECK-LABEL: for.end539: ; preds = %for.body467.for.body467_crit_edge
|
||
|
; CHECK-NEXT: ret void
|
||
|
;
|
||
|
|
||
|
entry:
|
||
|
br label %for.body43
|
||
|
|
||
|
for.body43: ; preds = %for.end539, %entry
|
||
|
br label %if.else75
|
||
|
|
||
|
if.else75: ; preds = %for.body43
|
||
|
br label %for.body467
|
||
|
|
||
|
for.body467: ; preds = %for.body467.for.body467_crit_edge, %if.else75
|
||
|
br label %for.body467.for.body467_crit_edge
|
||
|
|
||
|
for.body467.for.body467_crit_edge: ; preds = %for.body467
|
||
|
br i1 false, label %for.end539, label %for.body467
|
||
|
|
||
|
for.end539: ; preds = %for.body467
|
||
|
br i1 undef, label %for.body43, label %for.end547
|
||
|
|
||
|
for.end547: ; preds = %for.body43
|
||
|
ret void
|
||
|
}
|