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[X86] Add FMA constant folding test coverage

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Shows we constant fold scalars but not vectors
This commit is contained in:
Simon Pilgrim 2024-10-18 10:39:59 +01:00
parent 19aa4c854a
commit 4e0169005e
1 changed files with 184 additions and 0 deletions
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184
llvm/test/CodeGen/X86/fma.ll
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@ -2096,6 +2096,190 @@ entry:
ret <8 x double> %call
}
define float @constant_fold_f32() {
; FMA32-LABEL: constant_fold_f32:
; FMA32: ## %bb.0:
; FMA32-NEXT: flds {{\.?LCPI[0-9]+_[0-9]+}} ## encoding: [0xd9,0x05,A,A,A,A]
; FMA32-NEXT: ## fixup A - offset: 2, value: {{\.?LCPI[0-9]+_[0-9]+}}, kind: FK_Data_4
; FMA32-NEXT: retl ## encoding: [0xc3]
;
; FMACALL32-LABEL: constant_fold_f32:
; FMACALL32: ## %bb.0:
; FMACALL32-NEXT: flds {{\.?LCPI[0-9]+_[0-9]+}} ## encoding: [0xd9,0x05,A,A,A,A]
; FMACALL32-NEXT: ## fixup A - offset: 2, value: {{\.?LCPI[0-9]+_[0-9]+}}, kind: FK_Data_4
; FMACALL32-NEXT: retl ## encoding: [0xc3]
;
; FMA64-LABEL: constant_fold_f32:
; FMA64: ## %bb.0:
; FMA64-NEXT: vmovss {{.*#+}} xmm0 = [1.02E+3,0.0E+0,0.0E+0,0.0E+0]
; FMA64-NEXT: ## encoding: [0xc5,0xfa,0x10,0x05,A,A,A,A]
; FMA64-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; FMA64-NEXT: retq ## encoding: [0xc3]
;
; FMACALL64-LABEL: constant_fold_f32:
; FMACALL64: ## %bb.0:
; FMACALL64-NEXT: movss {{.*#+}} xmm0 = [1.02E+3,0.0E+0,0.0E+0,0.0E+0]
; FMACALL64-NEXT: ## encoding: [0xf3,0x0f,0x10,0x05,A,A,A,A]
; FMACALL64-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; FMACALL64-NEXT: retq ## encoding: [0xc3]
;
; AVX512-LABEL: constant_fold_f32:
; AVX512: ## %bb.0:
; AVX512-NEXT: vmovss {{.*#+}} xmm0 = [1.02E+3,0.0E+0,0.0E+0,0.0E+0]
; AVX512-NEXT: ## EVEX TO VEX Compression encoding: [0xc5,0xfa,0x10,0x05,A,A,A,A]
; AVX512-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; AVX512-NEXT: retq ## encoding: [0xc3]
;
; AVX512VL-LABEL: constant_fold_f32:
; AVX512VL: ## %bb.0:
; AVX512VL-NEXT: vmovss {{.*#+}} xmm0 = [1.02E+3,0.0E+0,0.0E+0,0.0E+0]
; AVX512VL-NEXT: ## EVEX TO VEX Compression encoding: [0xc5,0xfa,0x10,0x05,A,A,A,A]
; AVX512VL-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; AVX512VL-NEXT: retq ## encoding: [0xc3]
%r = call float @llvm.fma.f32(float 5.000000e+01, float 2.000000e+01, float 2.000000e+01)
ret float %r
}
define <4 x float> @constant_fold_v4f32() {
; FMA32-LABEL: constant_fold_v4f32:
; FMA32: ## %bb.0:
; FMA32-NEXT: vmovaps {{.*#+}} xmm1 = [0.0E+0,1.0E+1,2.0E+1,3.0E+1]
; FMA32-NEXT: ## encoding: [0xc5,0xf8,0x28,0x0d,A,A,A,A]
; FMA32-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}, kind: FK_Data_4
; FMA32-NEXT: vmovaps {{.*#+}} xmm0 = [4.0E+1,5.0E+1,6.0E+1,7.0E+1]
; FMA32-NEXT: ## encoding: [0xc5,0xf8,0x28,0x05,A,A,A,A]
; FMA32-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}, kind: FK_Data_4
; FMA32-NEXT: vfmadd213ps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1, %xmm0 ## encoding: [0xc4,0xe2,0x71,0xa8,0x05,A,A,A,A]
; FMA32-NEXT: ## fixup A - offset: 5, value: {{\.?LCPI[0-9]+_[0-9]+}}, kind: FK_Data_4
; FMA32-NEXT: ## xmm0 = (xmm1 * xmm0) + mem
; FMA32-NEXT: retl ## encoding: [0xc3]
;
; FMACALL32-LABEL: constant_fold_v4f32:
; FMACALL32: ## %bb.0:
; FMACALL32-NEXT: vmovaps {{.*#+}} xmm0 = [0.0E+0,4.9E+2,1.18E+3,2.07E+3]
; FMACALL32-NEXT: ## encoding: [0xc5,0xf8,0x28,0x05,A,A,A,A]
; FMACALL32-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}, kind: FK_Data_4
; FMACALL32-NEXT: retl ## encoding: [0xc3]
;
; FMA64-LABEL: constant_fold_v4f32:
; FMA64: ## %bb.0:
; FMA64-NEXT: vmovaps {{.*#+}} xmm1 = [0.0E+0,1.0E+1,2.0E+1,3.0E+1]
; FMA64-NEXT: ## encoding: [0xc5,0xf8,0x28,0x0d,A,A,A,A]
; FMA64-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; FMA64-NEXT: vmovaps {{.*#+}} xmm0 = [4.0E+1,5.0E+1,6.0E+1,7.0E+1]
; FMA64-NEXT: ## encoding: [0xc5,0xf8,0x28,0x05,A,A,A,A]
; FMA64-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; FMA64-NEXT: vfmadd213ps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1, %xmm0 ## encoding: [0xc4,0xe2,0x71,0xa8,0x05,A,A,A,A]
; FMA64-NEXT: ## fixup A - offset: 5, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; FMA64-NEXT: ## xmm0 = (xmm1 * xmm0) + mem
; FMA64-NEXT: retq ## encoding: [0xc3]
;
; FMACALL64-LABEL: constant_fold_v4f32:
; FMACALL64: ## %bb.0:
; FMACALL64-NEXT: movaps {{.*#+}} xmm0 = [0.0E+0,4.9E+2,1.18E+3,2.07E+3]
; FMACALL64-NEXT: ## encoding: [0x0f,0x28,0x05,A,A,A,A]
; FMACALL64-NEXT: ## fixup A - offset: 3, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; FMACALL64-NEXT: retq ## encoding: [0xc3]
;
; AVX512-LABEL: constant_fold_v4f32:
; AVX512: ## %bb.0:
; AVX512-NEXT: vmovaps {{.*#+}} xmm1 = [0.0E+0,1.0E+1,2.0E+1,3.0E+1]
; AVX512-NEXT: ## encoding: [0xc5,0xf8,0x28,0x0d,A,A,A,A]
; AVX512-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; AVX512-NEXT: vmovaps {{.*#+}} xmm0 = [4.0E+1,5.0E+1,6.0E+1,7.0E+1]
; AVX512-NEXT: ## encoding: [0xc5,0xf8,0x28,0x05,A,A,A,A]
; AVX512-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; AVX512-NEXT: vfmadd213ps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1, %xmm0 ## encoding: [0xc4,0xe2,0x71,0xa8,0x05,A,A,A,A]
; AVX512-NEXT: ## fixup A - offset: 5, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; AVX512-NEXT: ## xmm0 = (xmm1 * xmm0) + mem
; AVX512-NEXT: retq ## encoding: [0xc3]
;
; AVX512VL-LABEL: constant_fold_v4f32:
; AVX512VL: ## %bb.0:
; AVX512VL-NEXT: vmovaps {{.*#+}} xmm1 = [0.0E+0,1.0E+1,2.0E+1,3.0E+1]
; AVX512VL-NEXT: ## EVEX TO VEX Compression encoding: [0xc5,0xf8,0x28,0x0d,A,A,A,A]
; AVX512VL-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; AVX512VL-NEXT: vmovaps {{.*#+}} xmm0 = [4.0E+1,5.0E+1,6.0E+1,7.0E+1]
; AVX512VL-NEXT: ## EVEX TO VEX Compression encoding: [0xc5,0xf8,0x28,0x05,A,A,A,A]
; AVX512VL-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; AVX512VL-NEXT: vfmadd213ps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1, %xmm0 ## EVEX TO VEX Compression encoding: [0xc4,0xe2,0x71,0xa8,0x05,A,A,A,A]
; AVX512VL-NEXT: ## fixup A - offset: 5, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; AVX512VL-NEXT: ## xmm0 = (xmm1 * xmm0) + mem
; AVX512VL-NEXT: retq ## encoding: [0xc3]
%r = call <4 x float> @llvm.fma.v4f32(<4 x float> <float 0.000000e+01, float 1.000000e+01, float 2.000000e+01, float 3.000000e+01>, <4 x float> <float 4.000000e+01, float 5.000000e+01, float 6.000000e+01, float 7.000000e+01>, <4 x float> <float 0.000000e+01, float -1.000000e+01, float -2.000000e+01, float -3.000000e+01>)
ret <4 x float> %r
}
define <2 x double> @constant_fold_v2f64() {
; FMA32-LABEL: constant_fold_v2f64:
; FMA32: ## %bb.0:
; FMA32-NEXT: vmovapd {{.*#+}} xmm1 = [1.0E+1,2.0E+1]
; FMA32-NEXT: ## encoding: [0xc5,0xf9,0x28,0x0d,A,A,A,A]
; FMA32-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}, kind: FK_Data_4
; FMA32-NEXT: vmovsd {{.*#+}} xmm0 = [1.0E+1,0.0E+0]
; FMA32-NEXT: ## encoding: [0xc5,0xfb,0x10,0x05,A,A,A,A]
; FMA32-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}, kind: FK_Data_4
; FMA32-NEXT: vfmadd231pd {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1, %xmm0 ## encoding: [0xc4,0xe2,0xf1,0xb8,0x05,A,A,A,A]
; FMA32-NEXT: ## fixup A - offset: 5, value: {{\.?LCPI[0-9]+_[0-9]+}}, kind: FK_Data_4
; FMA32-NEXT: ## xmm0 = (xmm1 * mem) + xmm0
; FMA32-NEXT: retl ## encoding: [0xc3]
;
; FMACALL32-LABEL: constant_fold_v2f64:
; FMACALL32: ## %bb.0:
; FMACALL32-NEXT: vmovaps {{.*#+}} xmm0 = [4.1E+2,1.4E+3]
; FMACALL32-NEXT: ## encoding: [0xc5,0xf8,0x28,0x05,A,A,A,A]
; FMACALL32-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}, kind: FK_Data_4
; FMACALL32-NEXT: retl ## encoding: [0xc3]
;
; FMA64-LABEL: constant_fold_v2f64:
; FMA64: ## %bb.0:
; FMA64-NEXT: vmovapd {{.*#+}} xmm1 = [1.0E+1,2.0E+1]
; FMA64-NEXT: ## encoding: [0xc5,0xf9,0x28,0x0d,A,A,A,A]
; FMA64-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; FMA64-NEXT: vmovsd {{.*#+}} xmm0 = [1.0E+1,0.0E+0]
; FMA64-NEXT: ## encoding: [0xc5,0xfb,0x10,0x05,A,A,A,A]
; FMA64-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; FMA64-NEXT: vfmadd231pd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1, %xmm0 ## encoding: [0xc4,0xe2,0xf1,0xb8,0x05,A,A,A,A]
; FMA64-NEXT: ## fixup A - offset: 5, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; FMA64-NEXT: ## xmm0 = (xmm1 * mem) + xmm0
; FMA64-NEXT: retq ## encoding: [0xc3]
;
; FMACALL64-LABEL: constant_fold_v2f64:
; FMACALL64: ## %bb.0:
; FMACALL64-NEXT: movaps {{.*#+}} xmm0 = [4.1E+2,1.4E+3]
; FMACALL64-NEXT: ## encoding: [0x0f,0x28,0x05,A,A,A,A]
; FMACALL64-NEXT: ## fixup A - offset: 3, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; FMACALL64-NEXT: retq ## encoding: [0xc3]
;
; AVX512-LABEL: constant_fold_v2f64:
; AVX512: ## %bb.0:
; AVX512-NEXT: vmovapd {{.*#+}} xmm1 = [1.0E+1,2.0E+1]
; AVX512-NEXT: ## encoding: [0xc5,0xf9,0x28,0x0d,A,A,A,A]
; AVX512-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; AVX512-NEXT: vmovsd {{.*#+}} xmm0 = [1.0E+1,0.0E+0]
; AVX512-NEXT: ## EVEX TO VEX Compression encoding: [0xc5,0xfb,0x10,0x05,A,A,A,A]
; AVX512-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; AVX512-NEXT: vfmadd231pd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1, %xmm0 ## encoding: [0xc4,0xe2,0xf1,0xb8,0x05,A,A,A,A]
; AVX512-NEXT: ## fixup A - offset: 5, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; AVX512-NEXT: ## xmm0 = (xmm1 * mem) + xmm0
; AVX512-NEXT: retq ## encoding: [0xc3]
;
; AVX512VL-LABEL: constant_fold_v2f64:
; AVX512VL: ## %bb.0:
; AVX512VL-NEXT: vmovapd {{.*#+}} xmm1 = [1.0E+1,2.0E+1]
; AVX512VL-NEXT: ## EVEX TO VEX Compression encoding: [0xc5,0xf9,0x28,0x0d,A,A,A,A]
; AVX512VL-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; AVX512VL-NEXT: vmovsd {{.*#+}} xmm0 = [1.0E+1,0.0E+0]
; AVX512VL-NEXT: ## EVEX TO VEX Compression encoding: [0xc5,0xfb,0x10,0x05,A,A,A,A]
; AVX512VL-NEXT: ## fixup A - offset: 4, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; AVX512VL-NEXT: vfmadd231pd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1, %xmm0 ## EVEX TO VEX Compression encoding: [0xc4,0xe2,0xf1,0xb8,0x05,A,A,A,A]
; AVX512VL-NEXT: ## fixup A - offset: 5, value: {{\.?LCPI[0-9]+_[0-9]+}}-4, kind: reloc_riprel_4byte
; AVX512VL-NEXT: ## xmm0 = (xmm1 * mem) + xmm0
; AVX512VL-NEXT: retq ## encoding: [0xc3]
%r = call <2 x double> @llvm.fma.v2f64(<2 x double> <double 1.000000e+01, double 2.000000e+01>, <2 x double> <double 4.000000e+01, double 7.000000e+01>, <2 x double> <double 1.000000e+01, double 0.000000e+01>)
ret <2 x double> %r
}
declare float @llvm.fma.f32(float, float, float)
declare double @llvm.fma.f64(double, double, double)
declare x86_fp80 @llvm.fma.f80(x86_fp80, x86_fp80, x86_fp80)