mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-24 13:33:37 +02:00
08eb2f577c
deleted. I've expanded its test coverage a bit including adding one test that will crash clearly without this change. llvm-svn: 292332
43 lines
1.1 KiB
LLVM
43 lines
1.1 KiB
LLVM
; Ensure we don't run analyses over loops after they've been deleted. We run
|
|
; one version with a no-op loop pass to make sure that the loop doesn't get
|
|
; simplified away.
|
|
;
|
|
; RUN: opt < %s -passes='require<ivusers>,no-op-loop,require<ivusers>' -S \
|
|
; RUN: | FileCheck %s --check-prefixes=CHECK,BEFORE
|
|
; RUN: opt < %s -passes='require<ivusers>,loop-deletion,require<ivusers>' -S \
|
|
; RUN: | FileCheck %s --check-prefixes=CHECK,AFTER
|
|
|
|
|
|
define void @foo(i64 %n, i64 %m) nounwind {
|
|
; CHECK-LABEL: @foo(
|
|
|
|
entry:
|
|
br label %bb
|
|
; CHECK: entry:
|
|
; BEFORE-NEXT: br label %bb
|
|
; AFTER-NEXT: br label %return
|
|
|
|
bb:
|
|
%x.0 = phi i64 [ 0, %entry ], [ %t0, %bb2 ]
|
|
%t0 = add i64 %x.0, 1
|
|
%t1 = icmp slt i64 %x.0, %n
|
|
br i1 %t1, label %bb2, label %return
|
|
; BEFORE: bb:
|
|
; BEFORE: br i1 {{.*}}, label %bb2, label %return
|
|
; AFTER-NOT: bb:
|
|
; AFTER-NOT: br
|
|
|
|
bb2:
|
|
%t2 = icmp slt i64 %x.0, %m
|
|
br i1 %t1, label %bb, label %return
|
|
; BEFORE: bb2:
|
|
; BEFORE: br i1 {{.*}}, label %bb, label %return
|
|
; AFTER-NOT: bb2:
|
|
; AFTER-NOT: br
|
|
|
|
return:
|
|
ret void
|
|
; CHECK: return:
|
|
; CHECK-NEXT: ret void
|
|
}
|