1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -gvn -S < %s | FileCheck %s
4 declare void @use(i32, i32)
6 define void @binop(i32 %x, i32 %y) {
8 ; CHECK-NEXT: [[ADD1:%.*]] = add i32 [[X:%.*]], [[Y:%.*]]
9 ; CHECK-NEXT: call void @use(i32 [[ADD1]], i32 [[ADD1]])
10 ; CHECK-NEXT: ret void
12 %add1 = add i32 %x, %y
13 %add2 = add i32 %y, %x
14 call void @use(i32 %add1, i32 %add2)
18 declare void @vse(i1, i1)
20 define void @cmp(i32 %x, i32 %y) {
22 ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[X:%.*]], [[Y:%.*]]
23 ; CHECK-NEXT: call void @vse(i1 [[CMP1]], i1 [[CMP1]])
24 ; CHECK-NEXT: ret void
26 %cmp1 = icmp ult i32 %x, %y
27 %cmp2 = icmp ugt i32 %y, %x
28 call void @vse(i1 %cmp1, i1 %cmp2)
32 declare i32 @llvm.umax.i32(i32, i32)
34 define void @intrinsic(i32 %x, i32 %y) {
35 ; CHECK-LABEL: @intrinsic(
36 ; CHECK-NEXT: [[M1:%.*]] = call i32 @llvm.umax.i32(i32 [[X:%.*]], i32 [[Y:%.*]])
37 ; CHECK-NEXT: call void @use(i32 [[M1]], i32 [[M1]])
38 ; CHECK-NEXT: ret void
40 %m1 = call i32 @llvm.umax.i32(i32 %x, i32 %y)
41 %m2 = call i32 @llvm.umax.i32(i32 %y, i32 %x)
42 call void @use(i32 %m1, i32 %m2)
46 declare { i32, i1 } @llvm.umul.with.overflow.i32(i32, i32)
48 define { i32, i1 } @intrinsic2(i32 %x, i32 %y, i1 %cond) {
49 ; CHECK-LABEL: @intrinsic2(
51 ; CHECK-NEXT: br i1 [[COND:%.*]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
53 ; CHECK-NEXT: unreachable
55 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 0, [[Y:%.*]]
56 ; CHECK-NEXT: [[UMUL:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[X:%.*]], i32 [[Y]])
57 ; CHECK-NEXT: ret { i32, i1 } [[UMUL]]
60 br i1 %cond, label %if.then, label %if.end
66 %cmp = icmp eq i32 0, %y
67 %umul = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 %x, i32 %y)
71 declare i16 @llvm.smul.fix.i16(i16, i16, i32)
72 declare i16 @llvm.umul.fix.i16(i16, i16, i32)
74 define i16 @intrinsic_3_args(i16 %x, i16 %y) {
75 ; CHECK-LABEL: @intrinsic_3_args(
76 ; CHECK-NEXT: [[M1:%.*]] = call i16 @llvm.smul.fix.i16(i16 [[X:%.*]], i16 [[Y:%.*]], i32 1)
77 ; CHECK-NEXT: ret i16 0
79 %m1 = call i16 @llvm.smul.fix.i16(i16 %x, i16 %y, i32 1)
80 %m2 = call i16 @llvm.smul.fix.i16(i16 %y, i16 %x, i32 1)
85 ; Negative test - 3rd arg is different
87 define i16 @intrinsic_3_args_not_same(i16 %x, i16 %y) {
88 ; CHECK-LABEL: @intrinsic_3_args_not_same(
89 ; CHECK-NEXT: [[M1:%.*]] = call i16 @llvm.umul.fix.i16(i16 [[X:%.*]], i16 [[Y:%.*]], i32 2)
90 ; CHECK-NEXT: [[M2:%.*]] = call i16 @llvm.umul.fix.i16(i16 [[Y]], i16 [[X]], i32 1)
91 ; CHECK-NEXT: [[R:%.*]] = sub i16 [[M1]], [[M2]]
92 ; CHECK-NEXT: ret i16 [[R]]
94 %m1 = call i16 @llvm.umul.fix.i16(i16 %x, i16 %y, i32 2)
95 %m2 = call i16 @llvm.umul.fix.i16(i16 %y, i16 %x, i32 1)
100 declare float @llvm.fma.f32(float, float, float)
102 define float @fma(float %x, float %y) {
104 ; CHECK-NEXT: [[M1:%.*]] = call float @llvm.fma.f32(float [[X:%.*]], float [[Y:%.*]], float 1.000000e+00)
105 ; CHECK-NEXT: ret float 1.000000e+00
107 %m1 = call float @llvm.fma.f32(float %x, float %y, float 1.0)
108 %m2 = call float @llvm.fma.f32(float %y, float %x, float 1.0)
109 %r = fdiv nnan float %m1, %m2