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Add a testcase for unrolling loops with unknown tripcounts.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37238 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2007-05-18 19:59:23 +00:00
parent 7f8ff8af1a
commit 2fa7ce2b87
1 changed files with 18 additions and 0 deletions
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18
test/Transforms/LoopUnroll/2007-05-09-UnknownTripCount.ll Normal file
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@ -0,0 +1,18 @@
; RUN: llvm-as < %s | opt -loop-unroll -unroll-count=3 | llvm-dis | grep bb72.2
define void @foo(i32 %trips) {
entry:
br label %cond_true.outer
cond_true.outer:
%indvar1.ph = phi i32 [ 0, %entry ], [ %indvar.next2, %bb72 ]
br label %bb72
bb72:
%indvar.next2 = add i32 %indvar1.ph, 1
%exitcond3 = icmp eq i32 %indvar.next2, %trips
br i1 %exitcond3, label %cond_true138, label %cond_true.outer
cond_true138:
ret void
}