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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-03-15 11:05:42 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-03-15 11:05:42 +0000 |
| commit | 0ad17402a90819a8485abf938505ea44871f6459 (patch) | |
| tree | b0cc9d6555b6c101c79045e6435104145ead2189 /llvm/test/CodeGen/X86/vec_shift2.ll | |
| parent | 8b0a15b0ef696a4d3c2295e20bf9232a9aa90af4 (diff) | |
| download | bcm5719-llvm-0ad17402a90819a8485abf938505ea44871f6459.tar.gz bcm5719-llvm-0ad17402a90819a8485abf938505ea44871f6459.zip | |
[X86][SSE] Attempt to convert SSE shift-by-var to shift-by-imm.
Prep work for PR40203
llvm-svn: 356249
Diffstat (limited to 'llvm/test/CodeGen/X86/vec_shift2.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/vec_shift2.ll | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/llvm/test/CodeGen/X86/vec_shift2.ll b/llvm/test/CodeGen/X86/vec_shift2.ll index 7a1ade72a38..a38187f190f 100644 --- a/llvm/test/CodeGen/X86/vec_shift2.ll +++ b/llvm/test/CodeGen/X86/vec_shift2.ll @@ -5,16 +5,12 @@ define <2 x i64> @t1(<2 x i64> %b1, <2 x i64> %c) nounwind { ; X32-LABEL: t1: ; X32: # %bb.0: -; X32-NEXT: movl $14, %eax -; X32-NEXT: movd %eax, %xmm1 -; X32-NEXT: psrlw %xmm1, %xmm0 +; X32-NEXT: psrlw $14, %xmm0 ; X32-NEXT: retl ; ; X64-LABEL: t1: ; X64: # %bb.0: -; X64-NEXT: movl $14, %eax -; X64-NEXT: movd %eax, %xmm1 -; X64-NEXT: psrlw %xmm1, %xmm0 +; X64-NEXT: psrlw $14, %xmm0 ; X64-NEXT: retq %tmp1 = bitcast <2 x i64> %b1 to <8 x i16> %tmp2 = tail call <8 x i16> @llvm.x86.sse2.psrl.w( <8 x i16> %tmp1, <8 x i16> bitcast (<4 x i32> < i32 14, i32 undef, i32 undef, i32 undef > to <8 x i16>) ) nounwind readnone |
