mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-29 10:32:47 +00:00
558cd3c6a2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217601 91177308-0d34-0410-b5e6-96231b3b80d8
148 lines
4.5 KiB
LLVM
148 lines
4.5 KiB
LLVM
; RUN: llc -mtriple=x86_64-unknown-unknown -march=x86-64 < %s | FileCheck %s
|
|
|
|
; CHECK-LABEL: fmul2_f32:
|
|
; CHECK: addss %xmm0, %xmm0
|
|
define float @fmul2_f32(float %x) {
|
|
%y = fmul float %x, 2.0
|
|
ret float %y
|
|
}
|
|
|
|
; fmul 2.0, x -> fadd x, x for vectors.
|
|
|
|
; CHECK-LABEL: fmul2_v4f32:
|
|
; CHECK: addps %xmm0, %xmm0
|
|
; CHECK-NEXT: retq
|
|
define <4 x float> @fmul2_v4f32(<4 x float> %x) {
|
|
%y = fmul <4 x float> %x, <float 2.0, float 2.0, float 2.0, float 2.0>
|
|
ret <4 x float> %y
|
|
}
|
|
|
|
; CHECK-LABEL: constant_fold_fmul_v4f32:
|
|
; CHECK: movaps
|
|
; CHECK-NEXT: ret
|
|
define <4 x float> @constant_fold_fmul_v4f32(<4 x float> %x) {
|
|
%y = fmul <4 x float> <float 4.0, float 4.0, float 4.0, float 4.0>, <float 2.0, float 2.0, float 2.0, float 2.0>
|
|
ret <4 x float> %y
|
|
}
|
|
|
|
; CHECK-LABEL: fmul0_v4f32:
|
|
; CHECK: xorps %xmm0, %xmm0
|
|
; CHECK-NEXT: retq
|
|
define <4 x float> @fmul0_v4f32(<4 x float> %x) #0 {
|
|
%y = fmul <4 x float> %x, <float 0.0, float 0.0, float 0.0, float 0.0>
|
|
ret <4 x float> %y
|
|
}
|
|
|
|
; CHECK-LABEL: fmul_c2_c4_v4f32:
|
|
; CHECK-NOT: addps
|
|
; CHECK: mulps
|
|
; CHECK-NOT: mulps
|
|
; CHECK-NEXT: ret
|
|
define <4 x float> @fmul_c2_c4_v4f32(<4 x float> %x) #0 {
|
|
%y = fmul <4 x float> %x, <float 2.0, float 2.0, float 2.0, float 2.0>
|
|
%z = fmul <4 x float> %y, <float 4.0, float 4.0, float 4.0, float 4.0>
|
|
ret <4 x float> %z
|
|
}
|
|
|
|
; CHECK-LABEL: fmul_c3_c4_v4f32:
|
|
; CHECK-NOT: addps
|
|
; CHECK: mulps
|
|
; CHECK-NOT: mulps
|
|
; CHECK-NEXT: ret
|
|
define <4 x float> @fmul_c3_c4_v4f32(<4 x float> %x) #0 {
|
|
%y = fmul <4 x float> %x, <float 3.0, float 3.0, float 3.0, float 3.0>
|
|
%z = fmul <4 x float> %y, <float 4.0, float 4.0, float 4.0, float 4.0>
|
|
ret <4 x float> %z
|
|
}
|
|
|
|
; We should be able to pre-multiply the two constant vectors.
|
|
; CHECK: float 5.000000e+00
|
|
; CHECK: float 1.200000e+01
|
|
; CHECK: float 2.100000e+01
|
|
; CHECK: float 3.200000e+01
|
|
; CHECK-LABEL: fmul_v4f32_two_consts_no_splat:
|
|
; CHECK: mulps
|
|
; CHECK-NOT: mulps
|
|
; CHECK-NEXT: ret
|
|
define <4 x float> @fmul_v4f32_two_consts_no_splat(<4 x float> %x) #0 {
|
|
%y = fmul <4 x float> %x, <float 1.0, float 2.0, float 3.0, float 4.0>
|
|
%z = fmul <4 x float> %y, <float 5.0, float 6.0, float 7.0, float 8.0>
|
|
ret <4 x float> %z
|
|
}
|
|
|
|
; Same as above, but reverse operands to make sure non-canonical form is also handled.
|
|
; CHECK: float 5.000000e+00
|
|
; CHECK: float 1.200000e+01
|
|
; CHECK: float 2.100000e+01
|
|
; CHECK: float 3.200000e+01
|
|
; CHECK-LABEL: fmul_v4f32_two_consts_no_splat_non_canonical:
|
|
; CHECK: mulps
|
|
; CHECK-NOT: mulps
|
|
; CHECK-NEXT: ret
|
|
define <4 x float> @fmul_v4f32_two_consts_no_splat_non_canonical(<4 x float> %x) #0 {
|
|
%y = fmul <4 x float> <float 1.0, float 2.0, float 3.0, float 4.0>, %x
|
|
%z = fmul <4 x float> <float 5.0, float 6.0, float 7.0, float 8.0>, %y
|
|
ret <4 x float> %z
|
|
}
|
|
|
|
; More than one use of a constant multiply should not inhibit the optimization.
|
|
; Instead of a chain of 2 dependent mults, this test will have 2 independent mults.
|
|
; CHECK: float 5.000000e+00
|
|
; CHECK: float 1.200000e+01
|
|
; CHECK: float 2.100000e+01
|
|
; CHECK: float 3.200000e+01
|
|
; CHECK-LABEL: fmul_v4f32_two_consts_no_splat_multiple_use:
|
|
; CHECK: mulps
|
|
; CHECK: mulps
|
|
; CHECK: addps
|
|
; CHECK: ret
|
|
define <4 x float> @fmul_v4f32_two_consts_no_splat_multiple_use(<4 x float> %x) #0 {
|
|
%y = fmul <4 x float> %x, <float 1.0, float 2.0, float 3.0, float 4.0>
|
|
%z = fmul <4 x float> %y, <float 5.0, float 6.0, float 7.0, float 8.0>
|
|
%a = fadd <4 x float> %y, %z
|
|
ret <4 x float> %a
|
|
}
|
|
|
|
; CHECK-LABEL: fmul_c2_c4_f32:
|
|
; CHECK-NOT: addss
|
|
; CHECK: mulss
|
|
; CHECK-NOT: mulss
|
|
; CHECK-NEXT: ret
|
|
define float @fmul_c2_c4_f32(float %x) #0 {
|
|
%y = fmul float %x, 2.0
|
|
%z = fmul float %y, 4.0
|
|
ret float %z
|
|
}
|
|
|
|
; CHECK-LABEL: fmul_c3_c4_f32:
|
|
; CHECK-NOT: addss
|
|
; CHECK: mulss
|
|
; CHECK-NOT: mulss
|
|
; CHECK-NET: ret
|
|
define float @fmul_c3_c4_f32(float %x) #0 {
|
|
%y = fmul float %x, 3.0
|
|
%z = fmul float %y, 4.0
|
|
ret float %z
|
|
}
|
|
|
|
; CHECK-LABEL: fmul_fneg_fneg_f32:
|
|
; CHECK: mulss %xmm1, %xmm0
|
|
; CHECK-NEXT: retq
|
|
define float @fmul_fneg_fneg_f32(float %x, float %y) {
|
|
%x.neg = fsub float -0.0, %x
|
|
%y.neg = fsub float -0.0, %y
|
|
%mul = fmul float %x.neg, %y.neg
|
|
ret float %mul
|
|
}
|
|
; CHECK-LABEL: fmul_fneg_fneg_v4f32:
|
|
; CHECK: mulps {{%xmm1|\(%rdx\)}}, %xmm0
|
|
; CHECK-NEXT: retq
|
|
define <4 x float> @fmul_fneg_fneg_v4f32(<4 x float> %x, <4 x float> %y) {
|
|
%x.neg = fsub <4 x float> <float -0.0, float -0.0, float -0.0, float -0.0>, %x
|
|
%y.neg = fsub <4 x float> <float -0.0, float -0.0, float -0.0, float -0.0>, %y
|
|
%mul = fmul <4 x float> %x.neg, %y.neg
|
|
ret <4 x float> %mul
|
|
}
|
|
|
|
attributes #0 = { "less-precise-fpmad"="true" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "unsafe-fp-math"="true" }
|