1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -instcombine -S | FileCheck %s
4 define i64 @zext(i32 %x, i32 %y, i32 %z) {
6 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], [[Y:%.*]]
7 ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], i32 0, i32 [[Z:%.*]]
8 ; CHECK-NEXT: [[R:%.*]] = zext i32 [[SEL]] to i64
9 ; CHECK-NEXT: ret i64 [[R]]
11 %cmp = icmp eq i32 %x, %y
12 %sel = select i1 %cmp, i32 0, i32 %z
13 %r = zext i32 %sel to i64
17 define <2 x i32> @zext_vec(<2 x i8> %x, <2 x i8> %y, <2 x i8> %z) {
18 ; CHECK-LABEL: @zext_vec(
19 ; CHECK-NEXT: [[CMP:%.*]] = icmp ugt <2 x i8> [[X:%.*]], [[Y:%.*]]
20 ; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[CMP]], <2 x i8> [[Z:%.*]], <2 x i8> <i8 42, i8 7>
21 ; CHECK-NEXT: [[R:%.*]] = zext <2 x i8> [[SEL]] to <2 x i32>
22 ; CHECK-NEXT: ret <2 x i32> [[R]]
24 %cmp = icmp ugt <2 x i8> %x, %y
25 %sel = select <2 x i1> %cmp, <2 x i8> %z, <2 x i8> <i8 42, i8 7>
26 %r = zext <2 x i8> %sel to <2 x i32>
30 define i64 @sext(i8 %x, i8 %y, i8 %z) {
32 ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i8 [[X:%.*]], [[Y:%.*]]
33 ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], i8 42, i8 [[Z:%.*]]
34 ; CHECK-NEXT: [[R:%.*]] = sext i8 [[SEL]] to i64
35 ; CHECK-NEXT: ret i64 [[R]]
37 %cmp = icmp ult i8 %x, %y
38 %sel = select i1 %cmp, i8 42, i8 %z
39 %r = sext i8 %sel to i64
43 define <2 x i32> @sext_vec(<2 x i8> %x, <2 x i8> %y, <2 x i8> %z) {
44 ; CHECK-LABEL: @sext_vec(
45 ; CHECK-NEXT: [[CMP:%.*]] = icmp ugt <2 x i8> [[X:%.*]], [[Y:%.*]]
46 ; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[CMP]], <2 x i8> [[Z:%.*]], <2 x i8> <i8 42, i8 7>
47 ; CHECK-NEXT: [[R:%.*]] = sext <2 x i8> [[SEL]] to <2 x i32>
48 ; CHECK-NEXT: ret <2 x i32> [[R]]
50 %cmp = icmp ugt <2 x i8> %x, %y
51 %sel = select <2 x i1> %cmp, <2 x i8> %z, <2 x i8> <i8 42, i8 7>
52 %r = sext <2 x i8> %sel to <2 x i32>
56 define i16 @trunc(i32 %x, i32 %y, i32 %z) {
57 ; CHECK-LABEL: @trunc(
58 ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[X:%.*]], [[Y:%.*]]
59 ; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 [[Z:%.*]] to i16
60 ; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP]], i16 42, i16 [[TMP1]]
61 ; CHECK-NEXT: ret i16 [[R]]
63 %cmp = icmp ult i32 %x, %y
64 %sel = select i1 %cmp, i32 42, i32 %z
65 %r = trunc i32 %sel to i16
69 define <2 x i32> @trunc_vec(<2 x i64> %x, <2 x i64> %y, <2 x i64> %z) {
70 ; CHECK-LABEL: @trunc_vec(
71 ; CHECK-NEXT: [[CMP:%.*]] = icmp ugt <2 x i64> [[X:%.*]], [[Y:%.*]]
72 ; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[CMP]], <2 x i64> [[Z:%.*]], <2 x i64> <i64 42, i64 7>
73 ; CHECK-NEXT: [[R:%.*]] = trunc <2 x i64> [[SEL]] to <2 x i32>
74 ; CHECK-NEXT: ret <2 x i32> [[R]]
76 %cmp = icmp ugt <2 x i64> %x, %y
77 %sel = select <2 x i1> %cmp, <2 x i64> %z, <2 x i64> <i64 42, i64 7>
78 %r = trunc <2 x i64> %sel to <2 x i32>
82 define double @fpext(float %x, float %y, float %z) {
83 ; CHECK-LABEL: @fpext(
84 ; CHECK-NEXT: [[CMP:%.*]] = fcmp oeq float [[X:%.*]], [[Y:%.*]]
85 ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], float 1.700000e+01, float [[Z:%.*]]
86 ; CHECK-NEXT: [[R:%.*]] = fpext float [[SEL]] to double
87 ; CHECK-NEXT: ret double [[R]]
89 %cmp = fcmp oeq float %x, %y
90 %sel = select i1 %cmp, float 17.0, float %z
91 %r = fpext float %sel to double
95 define <2 x double> @fpext_vec(<2 x float> %x, <2 x float> %y, <2 x float> %z) {
96 ; CHECK-LABEL: @fpext_vec(
97 ; CHECK-NEXT: [[CMP:%.*]] = fcmp ugt <2 x float> [[X:%.*]], [[Y:%.*]]
98 ; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[CMP]], <2 x float> [[Z:%.*]], <2 x float> <float 4.200000e+01, float -2.000000e+00>
99 ; CHECK-NEXT: [[R:%.*]] = fpext <2 x float> [[SEL]] to <2 x double>
100 ; CHECK-NEXT: ret <2 x double> [[R]]
102 %cmp = fcmp ugt <2 x float> %x, %y
103 %sel = select <2 x i1> %cmp, <2 x float> %z, <2 x float> <float 42.0, float -2.0>
104 %r = fpext <2 x float> %sel to <2 x double>
108 define float @fptrunc(double %x, double %y, double %z) {
109 ; CHECK-LABEL: @fptrunc(
110 ; CHECK-NEXT: [[CMP:%.*]] = fcmp ult double [[X:%.*]], [[Y:%.*]]
111 ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], double 4.200000e+01, double [[Z:%.*]]
112 ; CHECK-NEXT: [[R:%.*]] = fptrunc double [[SEL]] to float
113 ; CHECK-NEXT: ret float [[R]]
115 %cmp = fcmp ult double %x, %y
116 %sel = select i1 %cmp, double 42.0, double %z
117 %r = fptrunc double %sel to float
121 define <2 x float> @fptrunc_vec(<2 x double> %x, <2 x double> %y, <2 x double> %z) {
122 ; CHECK-LABEL: @fptrunc_vec(
123 ; CHECK-NEXT: [[CMP:%.*]] = fcmp oge <2 x double> [[X:%.*]], [[Y:%.*]]
124 ; CHECK-NEXT: [[SEL:%.*]] = select <2 x i1> [[CMP]], <2 x double> [[Z:%.*]], <2 x double> <double -4.200000e+01, double 1.200000e+01>
125 ; CHECK-NEXT: [[R:%.*]] = fptrunc <2 x double> [[SEL]] to <2 x float>
126 ; CHECK-NEXT: ret <2 x float> [[R]]
128 %cmp = fcmp oge <2 x double> %x, %y
129 %sel = select <2 x i1> %cmp, <2 x double> %z, <2 x double> <double -42.0, double 12.0>
130 %r = fptrunc <2 x double> %sel to <2 x float>