diff --git a/llvm/test/CodeGen/X86/combine-movmsk.ll b/llvm/test/CodeGen/X86/combine-movmsk.ll index cc01fc1506c5..b91371742de2 100644 --- a/llvm/test/CodeGen/X86/combine-movmsk.ll +++ b/llvm/test/CodeGen/X86/combine-movmsk.ll @@ -220,6 +220,80 @@ define i1 @pmovmskb_noneof_v16i8_positive(<16 x i8> %a0) { ret i1 %4 } +; TODO: MOVMSK(CMPEQ(AND(X,C1),0)) -> MOVMSK(NOT(SHL(X,C2))) +define i32 @movmskpd_pow2_mask(<2 x i64> %a0) { +; SSE2-LABEL: movmskpd_pow2_mask: +; SSE2: # %bb.0: +; SSE2-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0 +; SSE2-NEXT: pxor %xmm1, %xmm1 +; SSE2-NEXT: pcmpeqd %xmm0, %xmm1 +; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm1[1,0,3,2] +; SSE2-NEXT: pand %xmm1, %xmm0 +; SSE2-NEXT: movmskpd %xmm0, %eax +; SSE2-NEXT: retq +; +; SSE42-LABEL: movmskpd_pow2_mask: +; SSE42: # %bb.0: +; SSE42-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0 +; SSE42-NEXT: pxor %xmm1, %xmm1 +; SSE42-NEXT: pcmpeqq %xmm0, %xmm1 +; SSE42-NEXT: movmskpd %xmm1, %eax +; SSE42-NEXT: retq +; +; AVX-LABEL: movmskpd_pow2_mask: +; AVX: # %bb.0: +; AVX-NEXT: vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0 +; AVX-NEXT: vpxor %xmm1, %xmm1, %xmm1 +; AVX-NEXT: vpcmpeqq %xmm1, %xmm0, %xmm0 +; AVX-NEXT: vmovmskpd %xmm0, %eax +; AVX-NEXT: retq + %1 = and <2 x i64> %a0, + %2 = icmp eq <2 x i64> %1, zeroinitializer + %3 = sext <2 x i1> %2 to <2 x i64> + %4 = bitcast <2 x i64> %3 to <2 x double> + %5 = tail call i32 @llvm.x86.sse2.movmsk.pd(<2 x double> %4) + ret i32 %5 +} + +define i32 @movmskps_pow2_mask(<4 x i32> %a0) { +; SSE-LABEL: movmskps_pow2_mask: +; SSE: # %bb.0: +; SSE-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0 +; SSE-NEXT: pxor %xmm1, %xmm1 +; SSE-NEXT: pcmpeqd %xmm0, %xmm1 +; SSE-NEXT: movmskps %xmm1, %eax +; SSE-NEXT: retq + %1 = and <4 x i32> %a0, + %2 = icmp eq <4 x i32> %1, zeroinitializer + %3 = sext <4 x i1> %2 to <4 x i32> + %4 = bitcast <4 x i32> %3 to <4 x float> + %5 = tail call i32 @llvm.x86.sse.movmsk.ps(<4 x float> %4) + ret i32 %5 +} + +define i32 @pmovmskb_pow2_mask(<16 x i8> %a0) { +; SSE-LABEL: pmovmskb_pow2_mask: +; SSE: # %bb.0: +; SSE-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0 +; SSE-NEXT: pxor %xmm1, %xmm1 +; SSE-NEXT: pcmpeqb %xmm0, %xmm1 +; SSE-NEXT: pmovmskb %xmm1, %eax +; SSE-NEXT: retq +; +; AVX-LABEL: pmovmskb_pow2_mask: +; AVX: # %bb.0: +; AVX-NEXT: vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0 +; AVX-NEXT: vpxor %xmm1, %xmm1, %xmm1 +; AVX-NEXT: vpcmpeqb %xmm1, %xmm0, %xmm0 +; AVX-NEXT: vpmovmskb %xmm0, %eax +; AVX-NEXT: retq + %1 = and <16 x i8> %a0, + %2 = icmp eq <16 x i8> %1, zeroinitializer + %3 = sext <16 x i1> %2 to <16 x i8> + %4 = tail call i32 @llvm.x86.sse2.pmovmskb.128(<16 x i8> %3) + ret i32 %4 +} + ; AND(MOVMSK(X),MOVMSK(Y)) -> MOVMSK(AND(X,Y)) ; XOR(MOVMSK(X),MOVMSK(Y)) -> MOVMSK(XOR(X,Y)) ; OR(MOVMSK(X),MOVMSK(Y)) -> MOVMSK(OR(X,Y))