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[x86] add tests for fma with undef elts; NFC 

llvm-svn: 344527
This commit is contained in:
Sanjay Patel 2018-10-15 15:47:37 +00:00
parent d900dd0c23
commit 475a53649e
1 changed files with 98 additions and 0 deletions
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98
llvm/test/CodeGen/X86/fma_patterns.ll
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@ -870,6 +870,32 @@ define <4 x float> @test_v4f32_mul_y_sub_one_x(<4 x float> %x, <4 x float> %y) {
ret <4 x float> %m
}
define <4 x float> @test_v4f32_mul_y_sub_one_x_undefs(<4 x float> %x, <4 x float> %y) {
; FMA-LABEL: test_v4f32_mul_y_sub_one_x_undefs:
; FMA: # %bb.0:
; FMA-NEXT: vmovaps {{.*#+}} xmm2 = <1,u,1,1>
; FMA-NEXT: vsubps %xmm0, %xmm2, %xmm0
; FMA-NEXT: vmulps %xmm0, %xmm1, %xmm0
; FMA-NEXT: retq
;
; FMA4-LABEL: test_v4f32_mul_y_sub_one_x_undefs:
; FMA4: # %bb.0:
; FMA4-NEXT: vmovaps {{.*#+}} xmm2 = <1,u,1,1>
; FMA4-NEXT: vsubps %xmm0, %xmm2, %xmm0
; FMA4-NEXT: vmulps %xmm0, %xmm1, %xmm0
; FMA4-NEXT: retq
;
; AVX512-LABEL: test_v4f32_mul_y_sub_one_x_undefs:
; AVX512: # %bb.0:
; AVX512-NEXT: vbroadcastss {{.*#+}} xmm2 = [1,1,1,1]
; AVX512-NEXT: vsubps %xmm0, %xmm2, %xmm0
; AVX512-NEXT: vmulps %xmm0, %xmm1, %xmm0
; AVX512-NEXT: retq
%s = fsub <4 x float> <float 1.0, float undef, float 1.0, float 1.0>, %x
%m = fmul <4 x float> %y, %s
ret <4 x float> %m
}
define <4 x float> @test_v4f32_mul_sub_negone_x_y(<4 x float> %x, <4 x float> %y) {
; FMA-INFS-LABEL: test_v4f32_mul_sub_negone_x_y:
; FMA-INFS: # %bb.0:
@ -952,6 +978,32 @@ define <4 x float> @test_v4f32_mul_y_sub_negone_x(<4 x float> %x, <4 x float> %y
ret <4 x float> %m
}
define <4 x float> @test_v4f32_mul_y_sub_negone_x_undefs(<4 x float> %x, <4 x float> %y) {
; FMA-LABEL: test_v4f32_mul_y_sub_negone_x_undefs:
; FMA: # %bb.0:
; FMA-NEXT: vmovaps {{.*#+}} xmm2 = <-1,-1,u,-1>
; FMA-NEXT: vsubps %xmm0, %xmm2, %xmm0
; FMA-NEXT: vmulps %xmm0, %xmm1, %xmm0
; FMA-NEXT: retq
;
; FMA4-LABEL: test_v4f32_mul_y_sub_negone_x_undefs:
; FMA4: # %bb.0:
; FMA4-NEXT: vmovaps {{.*#+}} xmm2 = <-1,-1,u,-1>
; FMA4-NEXT: vsubps %xmm0, %xmm2, %xmm0
; FMA4-NEXT: vmulps %xmm0, %xmm1, %xmm0
; FMA4-NEXT: retq
;
; AVX512-LABEL: test_v4f32_mul_y_sub_negone_x_undefs:
; AVX512: # %bb.0:
; AVX512-NEXT: vbroadcastss {{.*#+}} xmm2 = [-1,-1,-1,-1]
; AVX512-NEXT: vsubps %xmm0, %xmm2, %xmm0
; AVX512-NEXT: vmulps %xmm0, %xmm1, %xmm0
; AVX512-NEXT: retq
%s = fsub <4 x float> <float -1.0, float -1.0, float undef, float -1.0>, %x
%m = fmul <4 x float> %y, %s
ret <4 x float> %m
}
define <4 x float> @test_v4f32_mul_sub_x_one_y(<4 x float> %x, <4 x float> %y) {
; FMA-INFS-LABEL: test_v4f32_mul_sub_x_one_y:
; FMA-INFS: # %bb.0:
@ -1028,6 +1080,29 @@ define <4 x float> @test_v4f32_mul_y_sub_x_one(<4 x float> %x, <4 x float> %y) {
ret <4 x float> %m
}
define <4 x float> @test_v4f32_mul_y_sub_x_one_undefs(<4 x float> %x, <4 x float> %y) {
; FMA-LABEL: test_v4f32_mul_y_sub_x_one_undefs:
; FMA: # %bb.0:
; FMA-NEXT: vsubps {{.*}}(%rip), %xmm0, %xmm0
; FMA-NEXT: vmulps %xmm0, %xmm1, %xmm0
; FMA-NEXT: retq
;
; FMA4-LABEL: test_v4f32_mul_y_sub_x_one_undefs:
; FMA4: # %bb.0:
; FMA4-NEXT: vsubps {{.*}}(%rip), %xmm0, %xmm0
; FMA4-NEXT: vmulps %xmm0, %xmm1, %xmm0
; FMA4-NEXT: retq
;
; AVX512-LABEL: test_v4f32_mul_y_sub_x_one_undefs:
; AVX512: # %bb.0:
; AVX512-NEXT: vsubps {{.*}}(%rip){1to4}, %xmm0, %xmm0
; AVX512-NEXT: vmulps %xmm0, %xmm1, %xmm0
; AVX512-NEXT: retq
%s = fsub <4 x float> %x, <float 1.0, float 1.0, float 1.0, float undef>
%m = fmul <4 x float> %y, %s
ret <4 x float> %m
}
define <4 x float> @test_v4f32_mul_sub_x_negone_y(<4 x float> %x, <4 x float> %y) {
; FMA-INFS-LABEL: test_v4f32_mul_sub_x_negone_y:
; FMA-INFS: # %bb.0:
@ -1104,6 +1179,29 @@ define <4 x float> @test_v4f32_mul_y_sub_x_negone(<4 x float> %x, <4 x float> %y
ret <4 x float> %m
}
define <4 x float> @test_v4f32_mul_y_sub_x_negone_undefs(<4 x float> %x, <4 x float> %y) {
; FMA-LABEL: test_v4f32_mul_y_sub_x_negone_undefs:
; FMA: # %bb.0:
; FMA-NEXT: vsubps {{.*}}(%rip), %xmm0, %xmm0
; FMA-NEXT: vmulps %xmm0, %xmm1, %xmm0
; FMA-NEXT: retq
;
; FMA4-LABEL: test_v4f32_mul_y_sub_x_negone_undefs:
; FMA4: # %bb.0:
; FMA4-NEXT: vsubps {{.*}}(%rip), %xmm0, %xmm0
; FMA4-NEXT: vmulps %xmm0, %xmm1, %xmm0
; FMA4-NEXT: retq
;
; AVX512-LABEL: test_v4f32_mul_y_sub_x_negone_undefs:
; AVX512: # %bb.0:
; AVX512-NEXT: vsubps {{.*}}(%rip){1to4}, %xmm0, %xmm0
; AVX512-NEXT: vmulps %xmm0, %xmm1, %xmm0
; AVX512-NEXT: retq
%s = fsub <4 x float> %x, <float undef, float -1.0, float -1.0, float -1.0>
%m = fmul <4 x float> %y, %s
ret <4 x float> %m
}
;
; Interpolation Patterns: add(mul(x,t),mul(sub(1.0,t),y))
;