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| author | Andrew Trick <atrick@apple.com> | 2011-09-02 21:21:03 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2011-09-02 21:21:03 +0000 |
| commit | 6984625d166791f9d100e47f0e834c8c6a56169b (patch) | |
| tree | 9987b4bc44ad72fb33773aa956d6df19d10ced8e /test/Transforms/LoopUnroll/2011-08-09-IVSimplify.ll | |
| parent | 252ef7a61a9455c1e5d7b8a5a5f7ec8b3a75e200 (diff) | |
| download | external_llvm-6984625d166791f9d100e47f0e834c8c6a56169b.zip external_llvm-6984625d166791f9d100e47f0e834c8c6a56169b.tar.gz external_llvm-6984625d166791f9d100e47f0e834c8c6a56169b.tar.bz2 | |
Test case update for unroll-scev.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139037 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/LoopUnroll/2011-08-09-IVSimplify.ll')
| -rw-r--r-- | test/Transforms/LoopUnroll/2011-08-09-IVSimplify.ll | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/test/Transforms/LoopUnroll/2011-08-09-IVSimplify.ll b/test/Transforms/LoopUnroll/2011-08-09-IVSimplify.ll index 34814e1..4a5cbf9 100644 --- a/test/Transforms/LoopUnroll/2011-08-09-IVSimplify.ll +++ b/test/Transforms/LoopUnroll/2011-08-09-IVSimplify.ll @@ -1,18 +1,20 @@ -; RUN: opt -S < %s -loop-unroll -unroll-count=4 -disable-iv-rewrite -disable-unroll-scev | FileCheck %s +; RUN: opt -S < %s -loop-unroll -unroll-count=4 -disable-iv-rewrite | FileCheck %s ; ; Test induction variable simplify after loop unrolling. It should ; expose nice opportunities for GVN. +; +; CHECK-NOT: while.body also ensures that loop unrolling (with SCEV) +; removes unrolled loop exits given that 128 is a multiple of 4. target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32" ; PR10534: LoopUnroll not keeping canonical induction variable... -; CHECK: while.body.1: +; CHECK: while.body: +; CHECK-NOT: while.body.1: ; CHECK: %shr.1 = lshr i32 %bit_addr.addr.01, 5 ; CHECK: %arrayidx.1 = getelementptr inbounds i32* %bitmap, i32 %shr.1 -; CHECK: while.body.2: ; CHECK: %shr.2 = lshr i32 %bit_addr.addr.01, 5 ; CHECK: %arrayidx.2 = getelementptr inbounds i32* %bitmap, i32 %shr.2 -; CHECK: while.body.3: ; CHECK: %shr.3 = lshr i32 %bit_addr.addr.01, 5 ; CHECK: %arrayidx.3 = getelementptr inbounds i32* %bitmap, i32 %shr.3 define void @FlipBit(i32* nocapture %bitmap, i32 %bit_addr, i32 %nbits) nounwind { |