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| author | Nadav Rotem <nadav.rotem@intel.com> | 2012-07-17 09:07:37 +0000 |
|---|---|---|
| committer | Nadav Rotem <nadav.rotem@intel.com> | 2012-07-17 09:07:37 +0000 |
| commit | 5589a69f0abd39e583786515cf6c9170554dc8de (patch) | |
| tree | 1587c1546c348bad3d21314a66c0d0dcc71efc62 /test/CodeGen/X86 | |
| parent | f5c0539092996771824893309f311378e719e32e (diff) | |
| download | external_llvm-5589a69f0abd39e583786515cf6c9170554dc8de.zip external_llvm-5589a69f0abd39e583786515cf6c9170554dc8de.tar.gz external_llvm-5589a69f0abd39e583786515cf6c9170554dc8de.tar.bz2 | |
Fix a crash in the legalization of large vectors.
When truncating a result of a vector that is split we need
to use the result of the split vector, and not re-split the dead node.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160357 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86')
| -rw-r--r-- | test/CodeGen/X86/2012-07-17-vtrunc.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2012-07-17-vtrunc.ll b/test/CodeGen/X86/2012-07-17-vtrunc.ll new file mode 100644 index 0000000..2de2f97 --- /dev/null +++ b/test/CodeGen/X86/2012-07-17-vtrunc.ll @@ -0,0 +1,16 @@ +; RUN: llc < %s -march=x86-64 -mcpu=corei7 + +define void @autogen_SD33189483() { +BB: + br label %CF76 + +CF76: ; preds = %CF76, %BB + %Shuff13 = shufflevector <4 x i64> zeroinitializer, <4 x i64> undef, <4 x i32> zeroinitializer + %Tr16 = trunc <8 x i64> <i64 -1, i64 -1, i64 -1, i64 -1, i64 -1, i64 -1, i64 -1, i64 -1> to <8 x i1> + %E19 = extractelement <8 x i1> %Tr16, i32 2 + br i1 %E19, label %CF76, label %CF78 + +CF78: ; preds = %CF78, %CF76 + %BC = bitcast <4 x i64> %Shuff13 to <4 x double> + br label %CF78 +} |