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Diffstat (limited to 'test/CodeGen/X86/vshift-1.ll')
-rw-r--r-- | test/CodeGen/X86/vshift-1.ll | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/test/CodeGen/X86/vshift-1.ll b/test/CodeGen/X86/vshift-1.ll new file mode 100644 index 0000000..d7a20e4 --- /dev/null +++ b/test/CodeGen/X86/vshift-1.ll @@ -0,0 +1,65 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 -disable-mmx -o %t -f +; RUN: grep psllq %t | count 2 +; RUN: grep pslld %t | count 2 +; RUN: grep psllw %t | count 2 + +; test vector shifts converted to proper SSE2 vector shifts when the shift +; amounts are the same. + +define void @shift1a(<2 x i64> %val, <2 x i64>* %dst) nounwind { +entry: + %shl = shl <2 x i64> %val, < i64 32, i64 32 > + store <2 x i64> %shl, <2 x i64>* %dst + ret void +} + +define void @shift1b(<2 x i64> %val, <2 x i64>* %dst, i64 %amt) nounwind { +entry: + %0 = insertelement <2 x i64> undef, i64 %amt, i32 0 + %1 = insertelement <2 x i64> %0, i64 %amt, i32 1 + %shl = shl <2 x i64> %val, %1 + store <2 x i64> %shl, <2 x i64>* %dst + ret void +} + + +define void @shift2a(<4 x i32> %val, <4 x i32>* %dst) nounwind { +entry: + %shl = shl <4 x i32> %val, < i32 5, i32 5, i32 5, i32 5 > + store <4 x i32> %shl, <4 x i32>* %dst + ret void +} + +define void @shift2b(<4 x i32> %val, <4 x i32>* %dst, i32 %amt) nounwind { +entry: + %0 = insertelement <4 x i32> undef, i32 %amt, i32 0 + %1 = insertelement <4 x i32> %0, i32 %amt, i32 1 + %2 = insertelement <4 x i32> %1, i32 %amt, i32 2 + %3 = insertelement <4 x i32> %2, i32 %amt, i32 3 + %shl = shl <4 x i32> %val, %3 + store <4 x i32> %shl, <4 x i32>* %dst + ret void +} + +define void @shift3a(<8 x i16> %val, <8 x i16>* %dst) nounwind { +entry: + %shl = shl <8 x i16> %val, < i16 5, i16 5, i16 5, i16 5, i16 5, i16 5, i16 5, i16 5 > + store <8 x i16> %shl, <8 x i16>* %dst + ret void +} + +define void @shift3b(<8 x i16> %val, <8 x i16>* %dst, i16 %amt) nounwind { +entry: + %0 = insertelement <8 x i16> undef, i16 %amt, i32 0 + %1 = insertelement <8 x i16> %0, i16 %amt, i32 1 + %2 = insertelement <8 x i16> %0, i16 %amt, i32 2 + %3 = insertelement <8 x i16> %0, i16 %amt, i32 3 + %4 = insertelement <8 x i16> %0, i16 %amt, i32 4 + %5 = insertelement <8 x i16> %0, i16 %amt, i32 5 + %6 = insertelement <8 x i16> %0, i16 %amt, i32 6 + %7 = insertelement <8 x i16> %0, i16 %amt, i32 7 + %shl = shl <8 x i16> %val, %7 + store <8 x i16> %shl, <8 x i16>* %dst + ret void +} + |