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Diffstat (limited to 'test/CodeGen/X86/vec_sdiv_to_shift.ll')
-rw-r--r--test/CodeGen/X86/vec_sdiv_to_shift.ll91
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