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author | Chris Lattner <sabre@nondot.org> | 2010-04-15 05:28:43 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2010-04-15 05:28:43 +0000 |
commit | efcddc33256512a08d7182783e2262da27f27cdd (patch) | |
tree | 226d1a8b111b0e4fcf7ca88b4f9e5a81daa135f2 /test/CodeGen/ARM/sbfx.ll | |
parent | 2392ae7d7344674dc3d946e324342515f4771b90 (diff) | |
download | external_llvm-efcddc33256512a08d7182783e2262da27f27cdd.zip external_llvm-efcddc33256512a08d7182783e2262da27f27cdd.tar.gz external_llvm-efcddc33256512a08d7182783e2262da27f27cdd.tar.bz2 |
add a simple dag combine to replace trivial shl+lshr with
and. This happens with the store->load narrowing stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101348 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/ARM/sbfx.ll')
-rw-r--r-- | test/CodeGen/ARM/sbfx.ll | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/test/CodeGen/ARM/sbfx.ll b/test/CodeGen/ARM/sbfx.ll index 6f1d87d..d29693e 100644 --- a/test/CodeGen/ARM/sbfx.ll +++ b/test/CodeGen/ARM/sbfx.ll @@ -12,7 +12,7 @@ entry: define i32 @f2(i32 %a) { entry: ; CHECK: f2: -; CHECK: ubfx r0, r0, #0, #20 +; CHECK: bfc r0, #20, #12 %tmp = shl i32 %a, 12 %tmp2 = lshr i32 %tmp, 12 ret i32 %tmp2 |