diff options
Diffstat (limited to 'test/CodeGen/X86/vec_sdiv_to_shift.ll')
-rw-r--r-- | test/CodeGen/X86/vec_sdiv_to_shift.ll | 91 |
1 files changed, 2 insertions, 89 deletions
diff --git a/test/CodeGen/X86/vec_sdiv_to_shift.ll b/test/CodeGen/X86/vec_sdiv_to_shift.ll index f7151af528b51..f0c9069d8c797 100644 --- a/test/CodeGen/X86/vec_sdiv_to_shift.ll +++ b/test/CodeGen/X86/vec_sdiv_to_shift.ll @@ -49,56 +49,6 @@ entry: ret <8 x i16> %0 } -define <4 x i32> @sdiv_zero(<4 x i32> %var) { -; SSE-LABEL: sdiv_zero: -; SSE: # BB#0: # %entry -; SSE-NEXT: pextrd $1, %xmm0, %eax -; SSE-NEXT: xorl %esi, %esi -; SSE-NEXT: cltd -; SSE-NEXT: idivl %esi -; SSE-NEXT: movl %eax, %ecx -; SSE-NEXT: movd %xmm0, %eax -; SSE-NEXT: cltd -; SSE-NEXT: idivl %esi -; SSE-NEXT: movd %eax, %xmm1 -; SSE-NEXT: pinsrd $1, %ecx, %xmm1 -; SSE-NEXT: pextrd $2, %xmm0, %eax -; SSE-NEXT: cltd -; SSE-NEXT: idivl %esi -; SSE-NEXT: pinsrd $2, %eax, %xmm1 -; SSE-NEXT: pextrd $3, %xmm0, %eax -; SSE-NEXT: cltd -; SSE-NEXT: idivl %esi -; SSE-NEXT: pinsrd $3, %eax, %xmm1 -; SSE-NEXT: movdqa %xmm1, %xmm0 -; SSE-NEXT: retq -; -; AVX-LABEL: sdiv_zero: -; AVX: # BB#0: # %entry -; AVX-NEXT: vpextrd $1, %xmm0, %eax -; AVX-NEXT: xorl %esi, %esi -; AVX-NEXT: cltd -; AVX-NEXT: idivl %esi -; AVX-NEXT: movl %eax, %ecx -; AVX-NEXT: vmovd %xmm0, %eax -; AVX-NEXT: cltd -; AVX-NEXT: idivl %esi -; AVX-NEXT: vmovd %eax, %xmm1 -; AVX-NEXT: vpinsrd $1, %ecx, %xmm1, %xmm1 -; AVX-NEXT: vpextrd $2, %xmm0, %eax -; AVX-NEXT: cltd -; AVX-NEXT: idivl %esi -; AVX-NEXT: vpinsrd $2, %eax, %xmm1, %xmm1 -; AVX-NEXT: vpextrd $3, %xmm0, %eax -; AVX-NEXT: cltd -; AVX-NEXT: idivl %esi -; AVX-NEXT: vpinsrd $3, %eax, %xmm1, %xmm0 -; AVX-NEXT: retq -entry: - %0 = sdiv <4 x i32> %var, <i32 0, i32 0, i32 0, i32 0> - ret <4 x i32> %0 -} - define <4 x i32> @sdiv_vec4x32(<4 x i32> %var) { ; SSE-LABEL: sdiv_vec4x32: ; SSE: # BB#0: # %entry @@ -234,52 +184,15 @@ entry: ret <16 x i16> %a0 } +; Div-by-0 in any lane is UB. + define <4 x i32> @sdiv_non_splat(<4 x i32> %x) { ; SSE-LABEL: sdiv_non_splat: ; SSE: # BB#0: -; SSE-NEXT: pextrd $1, %xmm0, %eax -; SSE-NEXT: xorl %ecx, %ecx -; SSE-NEXT: cltd -; SSE-NEXT: idivl %ecx -; SSE-NEXT: movd %xmm0, %edx -; SSE-NEXT: movl %edx, %esi -; SSE-NEXT: shrl $31, %esi -; SSE-NEXT: addl %edx, %esi -; SSE-NEXT: sarl %esi -; SSE-NEXT: movd %esi, %xmm1 -; SSE-NEXT: pinsrd $1, %eax, %xmm1 -; SSE-NEXT: pextrd $2, %xmm0, %eax -; SSE-NEXT: cltd -; SSE-NEXT: idivl %ecx -; SSE-NEXT: pinsrd $2, %eax, %xmm1 -; SSE-NEXT: pextrd $3, %xmm0, %eax -; SSE-NEXT: cltd -; SSE-NEXT: idivl %ecx -; SSE-NEXT: pinsrd $3, %eax, %xmm1 -; SSE-NEXT: movdqa %xmm1, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: sdiv_non_splat: ; AVX: # BB#0: -; AVX-NEXT: vpextrd $1, %xmm0, %eax -; AVX-NEXT: xorl %ecx, %ecx -; AVX-NEXT: cltd -; AVX-NEXT: idivl %ecx -; AVX-NEXT: vmovd %xmm0, %edx -; AVX-NEXT: movl %edx, %esi -; AVX-NEXT: shrl $31, %esi -; AVX-NEXT: addl %edx, %esi -; AVX-NEXT: sarl %esi -; AVX-NEXT: vmovd %esi, %xmm1 -; AVX-NEXT: vpinsrd $1, %eax, %xmm1, %xmm1 -; AVX-NEXT: vpextrd $2, %xmm0, %eax -; AVX-NEXT: cltd -; AVX-NEXT: idivl %ecx -; AVX-NEXT: vpinsrd $2, %eax, %xmm1, %xmm1 -; AVX-NEXT: vpextrd $3, %xmm0, %eax -; AVX-NEXT: cltd -; AVX-NEXT: idivl %ecx -; AVX-NEXT: vpinsrd $3, %eax, %xmm1, %xmm0 ; AVX-NEXT: retq %y = sdiv <4 x i32> %x, <i32 2, i32 0, i32 0, i32 0> ret <4 x i32> %y |