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

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llvm-svn: 344523
This commit is contained in:
Sanjay Patel 2018-10-15 15:28:44 +00:00
parent 9c04c73d73
commit 77d8f0ccc6
1 changed files with 46 additions and 0 deletions
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46
test/CodeGen/X86/fma_patterns.ll
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@ -636,6 +636,29 @@ define <4 x float> @test_v4f32_mul_y_add_x_one(<4 x float> %x, <4 x float> %y) {
ret <4 x float> %m
}
define <4 x float> @test_v4f32_mul_y_add_x_one_undefs(<4 x float> %x, <4 x float> %y) {
; FMA-LABEL: test_v4f32_mul_y_add_x_one_undefs:
; FMA: # %bb.0:
; FMA-NEXT: vaddps {{.*}}(%rip), %xmm0, %xmm0
; FMA-NEXT: vmulps %xmm0, %xmm1, %xmm0
; FMA-NEXT: retq
;
; FMA4-LABEL: test_v4f32_mul_y_add_x_one_undefs:
; FMA4: # %bb.0:
; FMA4-NEXT: vaddps {{.*}}(%rip), %xmm0, %xmm0
; FMA4-NEXT: vmulps %xmm0, %xmm1, %xmm0
; FMA4-NEXT: retq
;
; AVX512-LABEL: test_v4f32_mul_y_add_x_one_undefs:
; AVX512: # %bb.0:
; AVX512-NEXT: vaddps {{.*}}(%rip){1to4}, %xmm0, %xmm0
; AVX512-NEXT: vmulps %xmm0, %xmm1, %xmm0
; AVX512-NEXT: retq
%a = fadd <4 x float> %x, <float 1.0, float undef, float 1.0, float undef>
%m = fmul <4 x float> %y, %a
ret <4 x float> %m
}
define <4 x float> @test_v4f32_mul_add_x_negone_y(<4 x float> %x, <4 x float> %y) {
; FMA-INFS-LABEL: test_v4f32_mul_add_x_negone_y:
; FMA-INFS: # %bb.0:
@ -712,6 +735,29 @@ define <4 x float> @test_v4f32_mul_y_add_x_negone(<4 x float> %x, <4 x float> %y
ret <4 x float> %m
}
define <4 x float> @test_v4f32_mul_y_add_x_negone_undefs(<4 x float> %x, <4 x float> %y) {
; FMA-LABEL: test_v4f32_mul_y_add_x_negone_undefs:
; FMA: # %bb.0:
; FMA-NEXT: vaddps {{.*}}(%rip), %xmm0, %xmm0
; FMA-NEXT: vmulps %xmm0, %xmm1, %xmm0
; FMA-NEXT: retq
;
; FMA4-LABEL: test_v4f32_mul_y_add_x_negone_undefs:
; FMA4: # %bb.0:
; FMA4-NEXT: vaddps {{.*}}(%rip), %xmm0, %xmm0
; FMA4-NEXT: vmulps %xmm0, %xmm1, %xmm0
; FMA4-NEXT: retq
;
; AVX512-LABEL: test_v4f32_mul_y_add_x_negone_undefs:
; AVX512: # %bb.0:
; AVX512-NEXT: vaddps {{.*}}(%rip){1to4}, %xmm0, %xmm0
; AVX512-NEXT: vmulps %xmm0, %xmm1, %xmm0
; AVX512-NEXT: retq
%a = fadd <4 x float> %x, <float undef, float -1.0, float undef, float -1.0>
%m = fmul <4 x float> %y, %a
ret <4 x float> %m
}
define <4 x float> @test_v4f32_mul_sub_one_x_y(<4 x float> %x, <4 x float> %y) {
; FMA-INFS-LABEL: test_v4f32_mul_sub_one_x_y:
; FMA-INFS: # %bb.0: