diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/known-bits-vector.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/known-bits-vector.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/known-bits-vector.ll b/llvm/test/CodeGen/X86/known-bits-vector.ll index a918ab34042..d1d19948574 100644 --- a/llvm/test/CodeGen/X86/known-bits-vector.ll +++ b/llvm/test/CodeGen/X86/known-bits-vector.ll @@ -664,3 +664,31 @@ define <4 x float> @knownbits_lshr_and_select_shuffle_uitofp(<4 x i32> %a0, <4 x %6 = uitofp <4 x i32> %5 to <4 x float> ret <4 x float> %6 } + +define <2 x double> @knownbits_lshr_subvector_uitofp(<4 x i32> %x) { +; X32-LABEL: knownbits_lshr_subvector_uitofp: +; X32: # %bb.0: +; X32-NEXT: vpsrld $2, %xmm0, %xmm1 +; X32-NEXT: vpsrld $1, %xmm0, %xmm0 +; X32-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3],xmm0[4,5,6,7] +; X32-NEXT: vpmovzxdq {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero +; X32-NEXT: vmovdqa {{.*#+}} xmm1 = [4.503599627370496E+15,4.503599627370496E+15] +; X32-NEXT: vpor %xmm1, %xmm0, %xmm0 +; X32-NEXT: vsubpd %xmm1, %xmm0, %xmm0 +; X32-NEXT: retl +; +; X64-LABEL: knownbits_lshr_subvector_uitofp: +; X64: # %bb.0: +; X64-NEXT: vpsrld $2, %xmm0, %xmm1 +; X64-NEXT: vpsrld $1, %xmm0, %xmm0 +; X64-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3],xmm0[4,5,6,7] +; X64-NEXT: vpmovzxdq {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero +; X64-NEXT: vmovdqa {{.*#+}} xmm1 = [4.503599627370496E+15,4.503599627370496E+15] +; X64-NEXT: vpor %xmm1, %xmm0, %xmm0 +; X64-NEXT: vsubpd %xmm1, %xmm0, %xmm0 +; X64-NEXT: retq + %1 = lshr <4 x i32> %x, <i32 1, i32 2, i32 0, i32 0> + %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <2 x i32> <i32 0, i32 1> + %3 = uitofp <2 x i32> %2 to <2 x double> + ret <2 x double> %3 +} |
