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| author | Eli Friedman <eli.friedman@gmail.com> | 2009-06-07 09:41:57 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2009-06-07 09:41:57 +0000 |
| commit | 516479d6e7fa39333f45c73684dda59f319a10fe (patch) | |
| tree | 7a89c07064250a306bef77517d279ad68eda2bc2 /llvm/test | |
| parent | e9ff1914590bf6a9601717e14d471ee26af83edc (diff) | |
| download | bcm5719-llvm-516479d6e7fa39333f45c73684dda59f319a10fe.tar.gz bcm5719-llvm-516479d6e7fa39333f45c73684dda59f319a10fe.zip | |
Tweak the expansion code for BIT_CONVERT to generate better code
converting from an MMX vector to an i64.
llvm-svn: 73024
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/X86/2009-06-07-ExpandMMXBitcast.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/2009-06-07-ExpandMMXBitcast.ll b/llvm/test/CodeGen/X86/2009-06-07-ExpandMMXBitcast.ll new file mode 100644 index 00000000000..56015c6473b --- /dev/null +++ b/llvm/test/CodeGen/X86/2009-06-07-ExpandMMXBitcast.ll @@ -0,0 +1,10 @@ +; RUN: llvm-as < %s | llc | grep movl | count 2 + +define i64 @a(i32 %a, i32 %b) nounwind readnone { +entry: + %0 = insertelement <2 x i32> undef, i32 %a, i32 0 ; <<2 x i32>> [#uses=1] + %1 = insertelement <2 x i32> %0, i32 %b, i32 1 ; <<2 x i32>> [#uses=1] + %conv = bitcast <2 x i32> %1 to i64 ; <i64> [#uses=1] + ret i64 %conv +} + |
