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| author | Mon P Wang <wangmp@apple.com> | 2011-10-26 00:34:48 +0000 |
|---|---|---|
| committer | Mon P Wang <wangmp@apple.com> | 2011-10-26 00:34:48 +0000 |
| commit | cf62b371a970d109fa373e2fc2f5a024cdadcf42 (patch) | |
| tree | ccc6a391910ebb1b1e948d745d41c7c2314faa4b /test/Bitcode | |
| parent | 7be6bc5a93415a8efce21928125cafd618319851 (diff) | |
| download | external_llvm-cf62b371a970d109fa373e2fc2f5a024cdadcf42.zip external_llvm-cf62b371a970d109fa373e2fc2f5a024cdadcf42.tar.gz external_llvm-cf62b371a970d109fa373e2fc2f5a024cdadcf42.tar.bz2 | |
The bitcode reader can create an shuffle with a place holder mask which it will
fix up later. For this special case, allow such a mask to be considered valid.
<rdar://problem/8622574>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142992 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Bitcode')
| -rw-r--r-- | test/Bitcode/shuffle.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/Bitcode/shuffle.ll b/test/Bitcode/shuffle.ll new file mode 100644 index 0000000..c3c01c6 --- /dev/null +++ b/test/Bitcode/shuffle.ll @@ -0,0 +1,31 @@ +; RUN: llvm-as < %s | llvm-dis + +; <rdar://problem/8622574> +; tests the bitcodereader can handle the case where the reader will initially +; create shuffle with a place holder mask. + + +define <4 x float> @test(<2 x double> %d2) { +entry: + %call20.i = tail call <4 x float> @cmp(<2 x double> %d2, + <2 x double> bitcast ( + <4 x float> shufflevector ( + <3 x float> shufflevector ( + <4 x float> shufflevector ( + <3 x float> bitcast ( + i96 trunc ( + i128 bitcast (<2 x double> bitcast ( + <4 x i32> <i32 0, i32 0, i32 0, i32 undef> to <2 x double>) + to i128) to i96) + to <3 x float>), + <3 x float> undef, + <4 x i32> <i32 0, i32 1, i32 2, i32 undef>), + <4 x float> undef, + <3 x i32> <i32 0, i32 1, i32 2>), + <3 x float> undef, + <4 x i32> <i32 0, i32 1, i32 2, i32 undef>) + to <2 x double>)) + ret <4 x float> %call20.i +} + +declare <4 x float> @cmp(<2 x double>, <2 x double>) |