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llvm-mirror/test/Transforms/NaryReassociate/pr37539.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

30 lines
833 B
LLVM

; RUN: opt < %s -nary-reassociate -S -o - | FileCheck %s
; The test check that compilation does not segv (see pr37539).
define void @f1() {
; CHECK-LABEL: @f1(
; CHECK-NEXT: br label %[[BB1:.*]]
; CHECK: [[BB1]]
; CHECK-NEXT: [[P1:%.*]] = phi i16 [ 0, [[TMP0:%.*]] ], [ [[A1:%.*]], %[[BB1]] ]
; CHECK-NEXT: [[SCEVGEP_OFFS:%.*]] = add i16 2, 0
; CHECK-NEXT: [[A1]] = add i16 [[P1]], [[SCEVGEP_OFFS]]
; CHECK-NEXT: br i1 false, label %[[BB1]], label %[[BB7:.*]]
; CHECK: [[BB7]]
; CHECK-NEXT: ret void
;
br label %bb1
bb1:
%p1 = phi i16 [ 0, %0 ], [ %a1, %bb1 ]
%p2 = phi i16 [ 0, %0 ], [ %a2, %bb1 ]
%scevgep.offs = add i16 2, 0
%a1 = add i16 %p1, %scevgep.offs
%scevgep.offs5 = add i16 2, 0
%a2 = add i16 %p2, %scevgep.offs5
br i1 false, label %bb1, label %bb7
bb7:
ret void
}