1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -instcombine -mtriple=x86_64-unknown-unknown -S | FileCheck %s
4 declare <2 x double> @llvm.x86.sse3.addsub.pd(<2 x double>, <2 x double>)
5 declare <4 x float> @llvm.x86.sse3.addsub.ps(<4 x float>, <4 x float>)
6 declare <4 x double> @llvm.x86.avx.addsub.pd.256(<4 x double>, <4 x double>)
7 declare <8 x float> @llvm.x86.avx.addsub.ps.256(<8 x float>, <8 x float>)
8 declare <2 x double> @llvm.x86.sse2.cmp.sd(<2 x double>, <2 x double>, i8 immarg) #0
14 define double @elts_addsub_v2f64(<2 x double> %0, <2 x double> %1) {
15 ; CHECK-LABEL: @elts_addsub_v2f64(
16 ; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <2 x double> [[TMP1:%.*]], <2 x double> poison, <2 x i32> <i32 1, i32 undef>
17 ; CHECK-NEXT: [[TMP4:%.*]] = fsub <2 x double> [[TMP0:%.*]], [[TMP3]]
18 ; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x double> [[TMP4]], i32 0
19 ; CHECK-NEXT: ret double [[TMP5]]
21 %3 = shufflevector <2 x double> %0, <2 x double> poison, <2 x i32> <i32 0, i32 0>
22 %4 = shufflevector <2 x double> %1, <2 x double> poison, <2 x i32> <i32 1, i32 1>
23 %5 = tail call <2 x double> @llvm.x86.sse3.addsub.pd(<2 x double> %3, <2 x double> %4)
24 %6 = extractelement <2 x double> %5, i32 0
28 define double @elts_addsub_v2f64_sub(<2 x double> %0, <2 x double> %1) {
29 ; CHECK-LABEL: @elts_addsub_v2f64_sub(
30 ; CHECK-NEXT: [[TMP3:%.*]] = fsub <2 x double> [[TMP0:%.*]], [[TMP1:%.*]]
31 ; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x double> [[TMP3]], i32 0
32 ; CHECK-NEXT: ret double [[TMP4]]
34 %3 = shufflevector <2 x double> %0, <2 x double> poison, <2 x i32> <i32 0, i32 0>
35 %4 = shufflevector <2 x double> %1, <2 x double> poison, <2 x i32> <i32 0, i32 0>
36 %5 = tail call <2 x double> @llvm.x86.sse3.addsub.pd(<2 x double> %3, <2 x double> %4)
37 %6 = extractelement <2 x double> %5, i32 0
41 define float @elts_addsub_v4f32(<4 x float> %0, <4 x float> %1) {
42 ; CHECK-LABEL: @elts_addsub_v4f32(
43 ; CHECK-NEXT: [[TMP3:%.*]] = tail call <4 x float> @llvm.x86.sse3.addsub.ps(<4 x float> [[TMP0:%.*]], <4 x float> [[TMP1:%.*]])
44 ; CHECK-NEXT: [[TMP4:%.*]] = extractelement <4 x float> [[TMP3]], i32 0
45 ; CHECK-NEXT: [[TMP5:%.*]] = extractelement <4 x float> [[TMP3]], i32 1
46 ; CHECK-NEXT: [[TMP6:%.*]] = fadd float [[TMP4]], [[TMP5]]
47 ; CHECK-NEXT: ret float [[TMP6]]
49 %3 = shufflevector <4 x float> %0, <4 x float> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
50 %4 = shufflevector <4 x float> %1, <4 x float> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
51 %5 = tail call <4 x float> @llvm.x86.sse3.addsub.ps(<4 x float> %3, <4 x float> %4)
52 %6 = extractelement <4 x float> %5, i32 0
53 %7 = extractelement <4 x float> %5, i32 1
54 %8 = fadd float %6, %7
58 define float @elts_addsub_v4f32_add(<4 x float> %0, <4 x float> %1) {
59 ; CHECK-LABEL: @elts_addsub_v4f32_add(
60 ; CHECK-NEXT: [[TMP3:%.*]] = fadd <4 x float> [[TMP0:%.*]], [[TMP1:%.*]]
61 ; CHECK-NEXT: [[TMP4:%.*]] = extractelement <4 x float> [[TMP3]], i32 1
62 ; CHECK-NEXT: [[TMP5:%.*]] = extractelement <4 x float> [[TMP3]], i32 1
63 ; CHECK-NEXT: [[TMP6:%.*]] = fadd float [[TMP4]], [[TMP5]]
64 ; CHECK-NEXT: ret float [[TMP6]]
66 %3 = shufflevector <4 x float> %0, <4 x float> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
67 %4 = shufflevector <4 x float> %1, <4 x float> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
68 %5 = tail call <4 x float> @llvm.x86.sse3.addsub.ps(<4 x float> %3, <4 x float> %4)
69 %6 = extractelement <4 x float> %5, i32 1
70 %7 = extractelement <4 x float> %5, i32 3
71 %8 = fadd float %6, %7
75 define double @elts_addsub_v4f64(<4 x double> %0, <4 x double> %1) {
76 ; CHECK-LABEL: @elts_addsub_v4f64(
77 ; CHECK-NEXT: [[TMP3:%.*]] = tail call <4 x double> @llvm.x86.avx.addsub.pd.256(<4 x double> [[TMP0:%.*]], <4 x double> [[TMP1:%.*]])
78 ; CHECK-NEXT: [[TMP4:%.*]] = extractelement <4 x double> [[TMP3]], i32 0
79 ; CHECK-NEXT: [[TMP5:%.*]] = extractelement <4 x double> [[TMP3]], i32 1
80 ; CHECK-NEXT: [[TMP6:%.*]] = fadd double [[TMP4]], [[TMP5]]
81 ; CHECK-NEXT: ret double [[TMP6]]
83 %3 = shufflevector <4 x double> %0, <4 x double> poison, <4 x i32> <i32 0, i32 1, i32 3, i32 3>
84 %4 = shufflevector <4 x double> %1, <4 x double> poison, <4 x i32> <i32 0, i32 1, i32 3, i32 3>
85 %5 = tail call <4 x double> @llvm.x86.avx.addsub.pd.256(<4 x double> %3, <4 x double> %4)
86 %6 = extractelement <4 x double> %5, i32 0
87 %7 = extractelement <4 x double> %5, i32 1
88 %8 = fadd double %6, %7
92 define double @elts_addsub_v4f64_add(<4 x double> %0, <4 x double> %1) {
93 ; CHECK-LABEL: @elts_addsub_v4f64_add(
94 ; CHECK-NEXT: [[TMP3:%.*]] = fadd <4 x double> [[TMP0:%.*]], [[TMP1:%.*]]
95 ; CHECK-NEXT: [[TMP4:%.*]] = extractelement <4 x double> [[TMP3]], i32 1
96 ; CHECK-NEXT: [[TMP5:%.*]] = extractelement <4 x double> [[TMP3]], i32 3
97 ; CHECK-NEXT: [[TMP6:%.*]] = fadd double [[TMP4]], [[TMP5]]
98 ; CHECK-NEXT: ret double [[TMP6]]
100 %3 = shufflevector <4 x double> %0, <4 x double> poison, <4 x i32> <i32 0, i32 1, i32 3, i32 3>
101 %4 = shufflevector <4 x double> %1, <4 x double> poison, <4 x i32> <i32 0, i32 1, i32 3, i32 3>
102 %5 = tail call <4 x double> @llvm.x86.avx.addsub.pd.256(<4 x double> %3, <4 x double> %4)
103 %6 = extractelement <4 x double> %5, i32 1
104 %7 = extractelement <4 x double> %5, i32 3
105 %8 = fadd double %6, %7
109 define float @elts_addsub_v8f32(<8 x float> %0, <8 x float> %1) {
110 ; CHECK-LABEL: @elts_addsub_v8f32(
111 ; CHECK-NEXT: [[TMP3:%.*]] = tail call <8 x float> @llvm.x86.avx.addsub.ps.256(<8 x float> [[TMP0:%.*]], <8 x float> [[TMP1:%.*]])
112 ; CHECK-NEXT: [[TMP4:%.*]] = extractelement <8 x float> [[TMP3]], i32 0
113 ; CHECK-NEXT: [[TMP5:%.*]] = extractelement <8 x float> [[TMP3]], i32 1
114 ; CHECK-NEXT: [[TMP6:%.*]] = fadd float [[TMP4]], [[TMP5]]
115 ; CHECK-NEXT: ret float [[TMP6]]
117 %3 = shufflevector <8 x float> %0, <8 x float> poison, <8 x i32> <i32 0, i32 1, i32 0, i32 1, i32 4, i32 4, i32 4, i32 4>
118 %4 = shufflevector <8 x float> %1, <8 x float> poison, <8 x i32> <i32 0, i32 1, i32 0, i32 1, i32 4, i32 4, i32 4, i32 4>
119 %5 = tail call <8 x float> @llvm.x86.avx.addsub.ps.256(<8 x float> %3, <8 x float> %4)
120 %6 = extractelement <8 x float> %5, i32 0
121 %7 = extractelement <8 x float> %5, i32 1
122 %8 = fadd float %6, %7
126 define float @elts_addsub_v8f32_sub(<8 x float> %0, <8 x float> %1) {
127 ; CHECK-LABEL: @elts_addsub_v8f32_sub(
128 ; CHECK-NEXT: [[TMP3:%.*]] = fsub <8 x float> [[TMP0:%.*]], [[TMP1:%.*]]
129 ; CHECK-NEXT: [[TMP4:%.*]] = extractelement <8 x float> [[TMP3]], i32 0
130 ; CHECK-NEXT: [[TMP5:%.*]] = extractelement <8 x float> [[TMP3]], i32 4
131 ; CHECK-NEXT: [[TMP6:%.*]] = fadd float [[TMP4]], [[TMP5]]
132 ; CHECK-NEXT: ret float [[TMP6]]
134 %3 = shufflevector <8 x float> %0, <8 x float> poison, <8 x i32> <i32 0, i32 1, i32 0, i32 1, i32 4, i32 4, i32 4, i32 4>
135 %4 = shufflevector <8 x float> %1, <8 x float> poison, <8 x i32> <i32 0, i32 1, i32 0, i32 1, i32 4, i32 4, i32 4, i32 4>
136 %5 = tail call <8 x float> @llvm.x86.avx.addsub.ps.256(<8 x float> %3, <8 x float> %4)
137 %6 = extractelement <8 x float> %5, i32 0
138 %7 = extractelement <8 x float> %5, i32 4
139 %8 = fadd float %6, %7
143 define void @PR46277(float %0, float %1, float %2, float %3, <4 x float> %4, float* %5) {
144 ; CHECK-LABEL: @PR46277(
145 ; CHECK-NEXT: [[TMP7:%.*]] = insertelement <4 x float> poison, float [[TMP0:%.*]], i32 0
146 ; CHECK-NEXT: [[TMP8:%.*]] = insertelement <4 x float> [[TMP7]], float [[TMP1:%.*]], i32 1
147 ; CHECK-NEXT: [[TMP9:%.*]] = tail call <4 x float> @llvm.x86.sse3.addsub.ps(<4 x float> [[TMP8]], <4 x float> [[TMP4:%.*]])
148 ; CHECK-NEXT: [[TMP10:%.*]] = extractelement <4 x float> [[TMP9]], i32 0
149 ; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds float, float* [[TMP5:%.*]], i64 1
150 ; CHECK-NEXT: store float [[TMP10]], float* [[TMP5]], align 4
151 ; CHECK-NEXT: [[TMP12:%.*]] = extractelement <4 x float> [[TMP9]], i32 1
152 ; CHECK-NEXT: store float [[TMP12]], float* [[TMP11]], align 4
153 ; CHECK-NEXT: ret void
155 %7 = insertelement <4 x float> poison, float %0, i32 0
156 %8 = insertelement <4 x float> %7, float %1, i32 1
157 %9 = insertelement <4 x float> %8, float %2, i32 2
158 %10 = insertelement <4 x float> %9, float %3, i32 3
159 %11 = tail call <4 x float> @llvm.x86.sse3.addsub.ps(<4 x float> %10, <4 x float> %4)
160 %12 = extractelement <4 x float> %11, i32 0
161 %13 = getelementptr inbounds float, float* %5, i64 1
162 store float %12, float* %5, align 4
163 %14 = extractelement <4 x float> %11, i32 1
164 store float %14, float* %13, align 4
168 define double @PR48476_fsub(<2 x double> %x) {
169 ; CHECK-LABEL: @PR48476_fsub(
170 ; CHECK-NEXT: [[TMP1:%.*]] = fsub <2 x double> <double 0.000000e+00, double poison>, [[X:%.*]]
171 ; CHECK-NEXT: [[T2:%.*]] = call <2 x double> @llvm.x86.sse2.cmp.sd(<2 x double> [[TMP1]], <2 x double> [[X]], i8 6)
172 ; CHECK-NEXT: [[VECEXT:%.*]] = extractelement <2 x double> [[T2]], i32 0
173 ; CHECK-NEXT: ret double [[VECEXT]]
175 %t1 = call <2 x double> @llvm.x86.sse3.addsub.pd(<2 x double> zeroinitializer, <2 x double> %x)
176 %t2 = call <2 x double> @llvm.x86.sse2.cmp.sd(<2 x double> %t1, <2 x double> %x, i8 6)
177 %vecext = extractelement <2 x double> %t2, i32 0
181 define double @PR48476_fadd_fsub(<2 x double> %x) {
182 ; CHECK-LABEL: @PR48476_fadd_fsub(
183 ; CHECK-NEXT: [[TMP1:%.*]] = fadd <2 x double> [[X:%.*]], <double poison, double 0.000000e+00>
184 ; CHECK-NEXT: [[S:%.*]] = shufflevector <2 x double> [[TMP1]], <2 x double> poison, <2 x i32> <i32 1, i32 undef>
185 ; CHECK-NEXT: [[TMP2:%.*]] = fsub <2 x double> [[S]], [[X]]
186 ; CHECK-NEXT: [[VECEXT:%.*]] = extractelement <2 x double> [[TMP2]], i32 0
187 ; CHECK-NEXT: ret double [[VECEXT]]
189 %t1 = call <2 x double> @llvm.x86.sse3.addsub.pd(<2 x double> zeroinitializer, <2 x double> %x)
190 %s = shufflevector <2 x double> %t1, <2 x double> poison, <2 x i32> <i32 1, i32 0>
191 %t2 = call <2 x double> @llvm.x86.sse3.addsub.pd(<2 x double> %s, <2 x double> %x)
192 %vecext = extractelement <2 x double> %t2, i32 0