[x86] fix fdiv test; NFC

The test was just added with rL369106, but forgot to update the instruction
along with the test name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@369107 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/recip-fastmath.ll b/test/CodeGen/X86/recip-fastmath.ll
index 981ec1047462b016f7646d01f4fa73119a5ebbd5..c7442f2bc20b9f69de66f59ffbc81a237676095e 100644 (file)
--- a/test/CodeGen/X86/recip-fastmath.ll
+++ b/test/CodeGen/X86/recip-fastmath.ll
@@ -121,83 +121,91 @@ define float @f32_one_step(float %x) #1 {
 define float @f32_one_step_variables(float %x, float %y) #1 {
 ; SSE-LABEL: f32_one_step_variables:
 ; SSE:       # %bb.0:
-; SSE-NEXT:    rcpss %xmm0, %xmm2
-; SSE-NEXT:    mulss %xmm2, %xmm0
-; SSE-NEXT:    movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
-; SSE-NEXT:    subss %xmm0, %xmm1
+; SSE-NEXT:    rcpss %xmm1, %xmm2
 ; SSE-NEXT:    mulss %xmm2, %xmm1
-; SSE-NEXT:    addss %xmm2, %xmm1
-; SSE-NEXT:    movaps %xmm1, %xmm0
+; SSE-NEXT:    movss {{.*#+}} xmm3 = mem[0],zero,zero,zero
+; SSE-NEXT:    subss %xmm1, %xmm3
+; SSE-NEXT:    mulss %xmm2, %xmm3
+; SSE-NEXT:    addss %xmm2, %xmm3
+; SSE-NEXT:    mulss %xmm3, %xmm0
 ; SSE-NEXT:    retq
 ;
 ; AVX-RECIP-LABEL: f32_one_step_variables:
 ; AVX-RECIP:       # %bb.0:
-; AVX-RECIP-NEXT:    vrcpss %xmm0, %xmm0, %xmm1
+; AVX-RECIP-NEXT:    vrcpss %xmm1, %xmm1, %xmm2
+; AVX-RECIP-NEXT:    vmulss %xmm2, %xmm1, %xmm1
+; AVX-RECIP-NEXT:    vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero
+; AVX-RECIP-NEXT:    vsubss %xmm1, %xmm3, %xmm1
+; AVX-RECIP-NEXT:    vmulss %xmm1, %xmm2, %xmm1
+; AVX-RECIP-NEXT:    vaddss %xmm1, %xmm2, %xmm1
 ; AVX-RECIP-NEXT:    vmulss %xmm1, %xmm0, %xmm0
-; AVX-RECIP-NEXT:    vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
-; AVX-RECIP-NEXT:    vsubss %xmm0, %xmm2, %xmm0
-; AVX-RECIP-NEXT:    vmulss %xmm0, %xmm1, %xmm0
-; AVX-RECIP-NEXT:    vaddss %xmm0, %xmm1, %xmm0
 ; AVX-RECIP-NEXT:    retq
 ;
 ; FMA-RECIP-LABEL: f32_one_step_variables:
 ; FMA-RECIP:       # %bb.0:
-; FMA-RECIP-NEXT:    vrcpss %xmm0, %xmm0, %xmm1
-; FMA-RECIP-NEXT:    vfnmadd213ss {{.*#+}} xmm0 = -(xmm1 * xmm0) + mem
-; FMA-RECIP-NEXT:    vfmadd132ss {{.*#+}} xmm0 = (xmm0 * xmm1) + xmm1
+; FMA-RECIP-NEXT:    vrcpss %xmm1, %xmm1, %xmm2
+; FMA-RECIP-NEXT:    vfnmadd213ss {{.*#+}} xmm1 = -(xmm2 * xmm1) + mem
+; FMA-RECIP-NEXT:    vfmadd132ss {{.*#+}} xmm1 = (xmm1 * xmm2) + xmm2
+; FMA-RECIP-NEXT:    vmulss %xmm1, %xmm0, %xmm0
 ; FMA-RECIP-NEXT:    retq
 ;
 ; BDVER2-LABEL: f32_one_step_variables:
 ; BDVER2:       # %bb.0:
-; BDVER2-NEXT:    vrcpss %xmm0, %xmm0, %xmm1
-; BDVER2-NEXT:    vfnmaddss {{.*}}(%rip), %xmm1, %xmm0, %xmm0
-; BDVER2-NEXT:    vfmaddss %xmm1, %xmm0, %xmm1, %xmm0
+; BDVER2-NEXT:    vrcpss %xmm1, %xmm1, %xmm2
+; BDVER2-NEXT:    vfnmaddss {{.*}}(%rip), %xmm2, %xmm1, %xmm1
+; BDVER2-NEXT:    vfmaddss %xmm2, %xmm1, %xmm2, %xmm1
+; BDVER2-NEXT:    vmulss %xmm1, %xmm0, %xmm0
 ; BDVER2-NEXT:    retq
 ;
 ; BTVER2-LABEL: f32_one_step_variables:
 ; BTVER2:       # %bb.0:
-; BTVER2-NEXT:    vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
-; BTVER2-NEXT:    vrcpss %xmm0, %xmm0, %xmm1
+; BTVER2-NEXT:    vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero
+; BTVER2-NEXT:    vrcpss %xmm1, %xmm1, %xmm2
+; BTVER2-NEXT:    vmulss %xmm2, %xmm1, %xmm1
+; BTVER2-NEXT:    vsubss %xmm1, %xmm3, %xmm1
+; BTVER2-NEXT:    vmulss %xmm1, %xmm2, %xmm1
+; BTVER2-NEXT:    vaddss %xmm1, %xmm2, %xmm1
 ; BTVER2-NEXT:    vmulss %xmm1, %xmm0, %xmm0
-; BTVER2-NEXT:    vsubss %xmm0, %xmm2, %xmm0
-; BTVER2-NEXT:    vmulss %xmm0, %xmm1, %xmm0
-; BTVER2-NEXT:    vaddss %xmm0, %xmm1, %xmm0
 ; BTVER2-NEXT:    retq
 ;
 ; SANDY-LABEL: f32_one_step_variables:
 ; SANDY:       # %bb.0:
-; SANDY-NEXT:    vrcpss %xmm0, %xmm0, %xmm1
+; SANDY-NEXT:    vrcpss %xmm1, %xmm1, %xmm2
+; SANDY-NEXT:    vmulss %xmm2, %xmm1, %xmm1
+; SANDY-NEXT:    vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero
+; SANDY-NEXT:    vsubss %xmm1, %xmm3, %xmm1
+; SANDY-NEXT:    vmulss %xmm1, %xmm2, %xmm1
+; SANDY-NEXT:    vaddss %xmm1, %xmm2, %xmm1
 ; SANDY-NEXT:    vmulss %xmm1, %xmm0, %xmm0
-; SANDY-NEXT:    vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
-; SANDY-NEXT:    vsubss %xmm0, %xmm2, %xmm0
-; SANDY-NEXT:    vmulss %xmm0, %xmm1, %xmm0
-; SANDY-NEXT:    vaddss %xmm0, %xmm1, %xmm0
 ; SANDY-NEXT:    retq
 ;
 ; HASWELL-LABEL: f32_one_step_variables:
 ; HASWELL:       # %bb.0:
-; HASWELL-NEXT:    vrcpss %xmm0, %xmm0, %xmm1
-; HASWELL-NEXT:    vfnmadd213ss {{.*#+}} xmm0 = -(xmm1 * xmm0) + mem
-; HASWELL-NEXT:    vfmadd132ss {{.*#+}} xmm0 = (xmm0 * xmm1) + xmm1
+; HASWELL-NEXT:    vrcpss %xmm1, %xmm1, %xmm2
+; HASWELL-NEXT:    vfnmadd213ss {{.*#+}} xmm1 = -(xmm2 * xmm1) + mem
+; HASWELL-NEXT:    vfmadd132ss {{.*#+}} xmm1 = (xmm1 * xmm2) + xmm2
+; HASWELL-NEXT:    vmulss %xmm1, %xmm0, %xmm0
 ; HASWELL-NEXT:    retq
 ;
 ; HASWELL-NO-FMA-LABEL: f32_one_step_variables:
 ; HASWELL-NO-FMA:       # %bb.0:
-; HASWELL-NO-FMA-NEXT:    vrcpss %xmm0, %xmm0, %xmm1
+; HASWELL-NO-FMA-NEXT:    vrcpss %xmm1, %xmm1, %xmm2
+; HASWELL-NO-FMA-NEXT:    vmulss %xmm2, %xmm1, %xmm1
+; HASWELL-NO-FMA-NEXT:    vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero
+; HASWELL-NO-FMA-NEXT:    vsubss %xmm1, %xmm3, %xmm1
+; HASWELL-NO-FMA-NEXT:    vmulss %xmm1, %xmm2, %xmm1
+; HASWELL-NO-FMA-NEXT:    vaddss %xmm1, %xmm2, %xmm1
 ; HASWELL-NO-FMA-NEXT:    vmulss %xmm1, %xmm0, %xmm0
-; HASWELL-NO-FMA-NEXT:    vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
-; HASWELL-NO-FMA-NEXT:    vsubss %xmm0, %xmm2, %xmm0
-; HASWELL-NO-FMA-NEXT:    vmulss %xmm0, %xmm1, %xmm0
-; HASWELL-NO-FMA-NEXT:    vaddss %xmm0, %xmm1, %xmm0
 ; HASWELL-NO-FMA-NEXT:    retq
 ;
 ; AVX512-LABEL: f32_one_step_variables:
 ; AVX512:       # %bb.0:
-; AVX512-NEXT:    vrcpss %xmm0, %xmm0, %xmm1
-; AVX512-NEXT:    vfnmadd213ss {{.*#+}} xmm0 = -(xmm1 * xmm0) + mem
-; AVX512-NEXT:    vfmadd132ss {{.*#+}} xmm0 = (xmm0 * xmm1) + xmm1
+; AVX512-NEXT:    vrcpss %xmm1, %xmm1, %xmm2
+; AVX512-NEXT:    vfnmadd213ss {{.*#+}} xmm1 = -(xmm2 * xmm1) + mem
+; AVX512-NEXT:    vfmadd132ss {{.*#+}} xmm1 = (xmm1 * xmm2) + xmm2
+; AVX512-NEXT:    vmulss %xmm1, %xmm0, %xmm0
 ; AVX512-NEXT:    retq
-  %div = fdiv fast float 1.0, %x
+  %div = fdiv fast float %x, %y
   ret float %div
 }