llvm-6502/test/Transforms/LoopStrengthReduce/dont_reverse.ll
Dan Gohman ad4f7a6882 Make several tests less fragile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93230 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12 04:52:47 +00:00

22 lines
518 B
LLVM

; RUN: opt < %s -loop-reduce -S \
; RUN: | grep {icmp eq i2 %lsr.iv.next, %xmp4344}
; Don't reverse the iteration if the rhs of the compare is defined
; inside the loop.
define void @Fill_Buffer(i2* %p) nounwind {
entry:
br label %bb8
bb8:
%indvar34 = phi i32 [ 0, %entry ], [ %indvar.next35, %bb8 ]
%indvar3451 = trunc i32 %indvar34 to i2
%xmp4344 = load i2* %p
%xmp104 = icmp eq i2 %indvar3451, %xmp4344
%indvar.next35 = add i32 %indvar34, 1
br i1 %xmp104, label %bb10, label %bb8
bb10:
unreachable
}