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llvm-mirror/test/Transforms/CodeExtractor/LoopExtractor_crash.ll
Arthur Eubanks cf44f794e4 [LoopExtract][NewPM] Port -loop-extract to NPM
-loop-extract-single is just -loop-extract on one loop.

-loop-extract depended on -break-crit-edges and -loop-simplify in the
legacy PM, but the NPM doesn't allow specifying pass dependencies like
that, so manually add those passes to the RUN lines where necessary.

Reviewed By: asbirlea

Differential Revision: https://reviews.llvm.org/D89016
2020-10-13 22:55:42 -07:00

47 lines
1.3 KiB
LLVM

; RUN: opt < %s -inline -loop-simplify -loop-extract -S | FileCheck %s
; RUN: opt < %s -argpromotion -loop-simplify -loop-extract -S | FileCheck %s
; This test used to trigger an assert (PR8929).
define void @test() {
; CHECK-LABEL: define void @test()
; CHECK-NEXT: entry:
; CHECK-NEXT: br label %codeRepl
; CHECK: codeRepl:
; CHECK-NEXT: call void @test.loopentry()
; CHECK-NEXT: br label %loopexit
; CHECK: loopexit:
; CHECK-NEXT: br label %exit
; CHECK: exit:
; CHECK-NEXT: ret void
entry:
br label %loopentry
loopentry: ; preds = %loopbody, %entry
br i1 undef, label %loopbody, label %loopexit
loopbody: ; preds = %codeRepl1
call void @foo()
br label %loopentry
loopexit: ; preds = %codeRepl
br label %exit
exit: ; preds = %loopexit
ret void
}
declare void @foo()
; CHECK-LABEL: define internal void @test.loopentry()
; CHECK-NEXT: newFuncRoot:
; CHECK-NEXT: br label %loopentry
; CHECK: loopexit.exitStub:
; CHECK-NEXT: ret void
; CHECK: loopentry:
; CHECK-NEXT: br i1 false, label %loopbody, label %loopexit.exitStub
; CHECK: loopbody:
; CHECK-NEXT: call void @foo()
; CHECK-NEXT: br label %loopentry