1 ; RUN: llc < %s -mtriple=x86_64-apple-macosx | FileCheck --check-prefix=CHECK --check-prefix=SSE --check-prefix=CST %s
2 ; RUN: llc < %s -mtriple=x86_64-apple-macosx -mattr=+sse4.1 | FileCheck --check-prefix=CHECK --check-prefix=SSE41 --check-prefix=CST %s
3 ; RUN: llc < %s -mtriple=x86_64-apple-macosx -mattr=+avx | FileCheck --check-prefix=CHECK --check-prefix=AVX --check-prefix=CST %s
4 ; RUN: llc < %s -mtriple=x86_64-apple-macosx -mattr=+avx2 | FileCheck --check-prefix=CHECK --check-prefix=AVX2 %s
6 ; Check that the constant used in the vectors are the right ones.
7 ; SSE: [[MASKCSTADDR:LCPI0_[0-9]+]]:
8 ; SSE-NEXT: .long 65535 ## 0xffff
9 ; SSE-NEXT: .long 65535 ## 0xffff
10 ; SSE-NEXT: .long 65535 ## 0xffff
11 ; SSE-NEXT: .long 65535 ## 0xffff
13 ; CST: [[LOWCSTADDR:LCPI0_[0-9]+]]:
14 ; CST-NEXT: .long 1258291200 ## 0x4b000000
15 ; CST-NEXT: .long 1258291200 ## 0x4b000000
16 ; CST-NEXT: .long 1258291200 ## 0x4b000000
17 ; CST-NEXT: .long 1258291200 ## 0x4b000000
19 ; CST: [[HIGHCSTADDR:LCPI0_[0-9]+]]:
20 ; CST-NEXT: .long 1392508928 ## 0x53000000
21 ; CST-NEXT: .long 1392508928 ## 0x53000000
22 ; CST-NEXT: .long 1392508928 ## 0x53000000
23 ; CST-NEXT: .long 1392508928 ## 0x53000000
25 ; CST: [[MAGICCSTADDR:LCPI0_[0-9]+]]:
26 ; CST-NEXT: .long 0x53000080 ## float 5.49764202E+11
27 ; CST-NEXT: .long 0x53000080 ## float 5.49764202E+11
28 ; CST-NEXT: .long 0x53000080 ## float 5.49764202E+11
29 ; CST-NEXT: .long 0x53000080 ## float 5.49764202E+11
31 ; AVX2: [[LOWCSTADDR:LCPI0_[0-9]+]]:
32 ; AVX2-NEXT: .long 1258291200 ## 0x4b000000
34 ; AVX2: [[HIGHCSTADDR:LCPI0_[0-9]+]]:
35 ; AVX2-NEXT: .long 1392508928 ## 0x53000000
37 ; AVX2: [[MAGICCSTADDR:LCPI0_[0-9]+]]:
38 ; AVX2-NEXT: .long 0x53000080 ## float 5.49764202E+11
40 define <4 x float> @test1(<4 x i32> %A) nounwind {
43 ; SSE: movdqa [[MASKCSTADDR]](%rip), [[MASK:%xmm[0-9]+]]
44 ; SSE-NEXT: pand %xmm0, [[MASK]]
45 ; After this instruction, MASK will have the value of the low parts
47 ; SSE-NEXT: por [[LOWCSTADDR]](%rip), [[MASK]]
48 ; SSE-NEXT: psrld $16, %xmm0
49 ; SSE-NEXT: por [[HIGHCSTADDR]](%rip), %xmm0
50 ; SSE-NEXT: subps [[MAGICCSTADDR]](%rip), %xmm0
51 ; SSE-NEXT: addps [[MASK]], %xmm0
54 ; Currently we commute the arguments of the first blend, but this could be
55 ; improved to match the lowering of the second blend.
56 ; SSE41: movdqa [[LOWCSTADDR]](%rip), [[LOWVEC:%xmm[0-9]+]]
57 ; SSE41-NEXT: pblendw $85, %xmm0, [[LOWVEC]]
58 ; SSE41-NEXT: psrld $16, %xmm0
59 ; SSE41-NEXT: pblendw $170, [[HIGHCSTADDR]](%rip), %xmm0
60 ; SSE41-NEXT: subps [[MAGICCSTADDR]](%rip), %xmm0
61 ; SSE41-NEXT: addps [[LOWVEC]], %xmm0
64 ; AVX: vpblendw $170, [[LOWCSTADDR]](%rip), %xmm0, [[LOWVEC:%xmm[0-9]+]]
65 ; AVX-NEXT: vpsrld $16, %xmm0, [[SHIFTVEC:%xmm[0-9]+]]
66 ; AVX-NEXT: vpblendw $170, [[HIGHCSTADDR]](%rip), [[SHIFTVEC]], [[HIGHVEC:%xmm[0-9]+]]
67 ; AVX-NEXT: vsubps [[MAGICCSTADDR]](%rip), [[HIGHVEC]], [[TMP:%xmm[0-9]+]]
68 ; AVX-NEXT: vaddps [[TMP]], [[LOWVEC]], %xmm0
71 ; The lowering for AVX2 is a bit messy, because we select broadcast
72 ; instructions, instead of folding the constant loads.
73 ; AVX2: vpbroadcastd [[LOWCSTADDR]](%rip), [[LOWCST:%xmm[0-9]+]]
74 ; AVX2-NEXT: vpblendw $170, [[LOWCST]], %xmm0, [[LOWVEC:%xmm[0-9]+]]
75 ; AVX2-NEXT: vpsrld $16, %xmm0, [[SHIFTVEC:%xmm[0-9]+]]
76 ; AVX2-NEXT: vpbroadcastd [[HIGHCSTADDR]](%rip), [[HIGHCST:%xmm[0-9]+]]
77 ; AVX2-NEXT: vpblendw $170, [[HIGHCST]], [[SHIFTVEC]], [[HIGHVEC:%xmm[0-9]+]]
78 ; AVX2-NEXT: vbroadcastss [[MAGICCSTADDR]](%rip), [[MAGICCST:%xmm[0-9]+]]
79 ; AVX2-NEXT: vsubps [[MAGICCST]], [[HIGHVEC]], [[TMP:%xmm[0-9]+]]
80 ; AVX2-NEXT: vaddps [[TMP]], [[LOWVEC]], %xmm0
82 %C = uitofp <4 x i32> %A to <4 x float>
86 ; Match the AVX2 constants used in the next function
87 ; AVX2: [[LOWCSTADDR:LCPI1_[0-9]+]]:
88 ; AVX2-NEXT: .long 1258291200 ## 0x4b000000
90 ; AVX2: [[HIGHCSTADDR:LCPI1_[0-9]+]]:
91 ; AVX2-NEXT: .long 1392508928 ## 0x53000000
93 ; AVX2: [[MAGICCSTADDR:LCPI1_[0-9]+]]:
94 ; AVX2-NEXT: .long 0x53000080 ## float 5.49764202E+11
96 define <8 x float> @test2(<8 x i32> %A) nounwind {
98 ; Legalization will break the thing is 2 x <4 x i32> on anthing prior AVX.
99 ; The constant used for in the vector instruction are shared between the
100 ; two sequences of instructions.
102 ; SSE: movdqa {{.*#+}} [[MASK:xmm[0-9]+]] = [65535,65535,65535,65535]
103 ; SSE-NEXT: movdqa %xmm0, [[VECLOW:%xmm[0-9]+]]
104 ; SSE-NEXT: pand %[[MASK]], [[VECLOW]]
105 ; SSE-NEXT: movdqa {{.*#+}} [[LOWCST:xmm[0-9]+]] = [1258291200,1258291200,1258291200,1258291200]
106 ; SSE-NEXT: por %[[LOWCST]], [[VECLOW]]
107 ; SSE-NEXT: psrld $16, %xmm0
108 ; SSE-NEXT: movdqa {{.*#+}} [[HIGHCST:xmm[0-9]+]] = [1392508928,1392508928,1392508928,1392508928]
109 ; SSE-NEXT: por %[[HIGHCST]], %xmm0
110 ; SSE-NEXT: movaps {{.*#+}} [[MAGICCST:xmm[0-9]+]] = [5.49764202E+11,5.49764202E+11,5.49764202E+11,5.49764202E+11]
111 ; SSE-NEXT: subps %[[MAGICCST]], %xmm0
112 ; SSE-NEXT: addps [[VECLOW]], %xmm0
113 ; MASK is the low vector of the second part after this point.
114 ; SSE-NEXT: pand %xmm1, %[[MASK]]
115 ; SSE-NEXT: por %[[LOWCST]], %[[MASK]]
116 ; SSE-NEXT: psrld $16, %xmm1
117 ; SSE-NEXT: por %[[HIGHCST]], %xmm1
118 ; SSE-NEXT: subps %[[MAGICCST]], %xmm1
119 ; SSE-NEXT: addps %[[MASK]], %xmm1
122 ; SSE41: movdqa {{.*#+}} [[LOWCST:xmm[0-9]+]] = [1258291200,1258291200,1258291200,1258291200]
123 ; SSE41-NEXT: movdqa %xmm0, [[VECLOW:%xmm[0-9]+]]
124 ; SSE41-NEXT: pblendw $170, %[[LOWCST]], [[VECLOW]]
125 ; SSE41-NEXT: psrld $16, %xmm0
126 ; SSE41-NEXT: movdqa {{.*#+}} [[HIGHCST:xmm[0-9]+]] = [1392508928,1392508928,1392508928,1392508928]
127 ; SSE41-NEXT: pblendw $170, %[[HIGHCST]], %xmm0
128 ; SSE41-NEXT: movaps {{.*#+}} [[MAGICCST:xmm[0-9]+]] = [5.49764202E+11,5.49764202E+11,5.49764202E+11,5.49764202E+11]
129 ; SSE41-NEXT: subps %[[MAGICCST]], %xmm0
130 ; SSE41-NEXT: addps [[VECLOW]], %xmm0
131 ; LOWCST is the low vector of the second part after this point.
132 ; The operands of the blend are inverted because we reuse xmm1
134 ; SSE41-NEXT: pblendw $85, %xmm1, %[[LOWCST]]
135 ; SSE41-NEXT: psrld $16, %xmm1
136 ; SSE41-NEXT: pblendw $170, %[[HIGHCST]], %xmm1
137 ; SSE41-NEXT: subps %[[MAGICCST]], %xmm1
138 ; SSE41-NEXT: addps %[[LOWCST]], %xmm1
141 ; Test that we are not lowering uinttofp to scalars
145 ; AVX2: vpbroadcastd [[LOWCSTADDR]](%rip), [[LOWCST:%ymm[0-9]+]]
146 ; AVX2-NEXT: vpblendw $170, [[LOWCST]], %ymm0, [[LOWVEC:%ymm[0-9]+]]
147 ; AVX2-NEXT: vpsrld $16, %ymm0, [[SHIFTVEC:%ymm[0-9]+]]
148 ; AVX2-NEXT: vpbroadcastd [[HIGHCSTADDR]](%rip), [[HIGHCST:%ymm[0-9]+]]
149 ; AVX2-NEXT: vpblendw $170, [[HIGHCST]], [[SHIFTVEC]], [[HIGHVEC:%ymm[0-9]+]]
150 ; AVX2-NEXT: vbroadcastss [[MAGICCSTADDR]](%rip), [[MAGICCST:%ymm[0-9]+]]
151 ; AVX2-NEXT: vsubps [[MAGICCST]], [[HIGHVEC]], [[TMP:%ymm[0-9]+]]
152 ; AVX2-NEXT: vaddps [[TMP]], [[LOWVEC]], %ymm0
154 %C = uitofp <8 x i32> %A to <8 x float>
158 define <4 x double> @test3(<4 x i32> %arg) {
159 ; CHECK-LABEL: test3:
160 ; This test used to crash because we were custom lowering it as if it was
161 ; a conversion between <4 x i32> and <4 x float>.
165 %tmp = uitofp <4 x i32> %arg to <4 x double>
166 ret <4 x double> %tmp