xref: /llvm-project/llvm/test/Transforms/NewGVN/fpmath.ll (revision 229640343e400394b315c6798c7c19e8a9bd188c)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
2; RUN: opt -passes=newgvn -S < %s | FileCheck %s
3
4define double @test1(double %x, double %y) {
5; CHECK-LABEL: define double @test1(
6; CHECK-SAME: double [[X:%.*]], double [[Y:%.*]]) {
7; CHECK-NEXT:    [[ADD1:%.*]] = fadd double [[X]], [[Y]]
8; CHECK-NEXT:    [[FOO:%.*]] = fadd double [[ADD1]], [[ADD1]]
9; CHECK-NEXT:    ret double [[FOO]]
10;
11  %add1 = fadd double %x, %y, !fpmath !0
12  %add2 = fadd double %x, %y
13  %foo = fadd double %add1, %add2
14  ret double %foo
15}
16
17define double @test2(double %x, double %y) {
18; CHECK-LABEL: define double @test2(
19; CHECK-SAME: double [[X:%.*]], double [[Y:%.*]]) {
20; CHECK-NEXT:    [[ADD1:%.*]] = fadd double [[X]], [[Y]], !fpmath [[META0:![0-9]+]]
21; CHECK-NEXT:    [[FOO:%.*]] = fadd double [[ADD1]], [[ADD1]]
22; CHECK-NEXT:    ret double [[FOO]]
23;
24  %add1 = fadd double %x, %y, !fpmath !0
25  %add2 = fadd double %x, %y, !fpmath !0
26  %foo = fadd double %add1, %add2
27  ret double %foo
28}
29
30define double @test3(double %x, double %y) {
31; CHECK-LABEL: define double @test3(
32; CHECK-SAME: double [[X:%.*]], double [[Y:%.*]]) {
33; CHECK-NEXT:    [[ADD1:%.*]] = fadd double [[X]], [[Y]], !fpmath [[META1:![0-9]+]]
34; CHECK-NEXT:    [[FOO:%.*]] = fadd double [[ADD1]], [[ADD1]]
35; CHECK-NEXT:    ret double [[FOO]]
36;
37  %add1 = fadd double %x, %y, !fpmath !1
38  %add2 = fadd double %x, %y, !fpmath !0
39  %foo = fadd double %add1, %add2
40  ret double %foo
41}
42
43define double @test4(double %x, double %y) {
44; CHECK-LABEL: define double @test4(
45; CHECK-SAME: double [[X:%.*]], double [[Y:%.*]]) {
46; CHECK-NEXT:    [[ADD1:%.*]] = fadd double [[X]], [[Y]], !fpmath [[META1]]
47; CHECK-NEXT:    [[FOO:%.*]] = fadd double [[ADD1]], [[ADD1]]
48; CHECK-NEXT:    ret double [[FOO]]
49;
50  %add1 = fadd double %x, %y, !fpmath !0
51  %add2 = fadd double %x, %y, !fpmath !1
52  %foo = fadd double %add1, %add2
53  ret double %foo
54}
55
56define double @test5(double %x) {
57; CHECK-LABEL: define double @test5(
58; CHECK-SAME: double [[X:%.*]]) {
59; CHECK-NEXT:    [[NEG1:%.*]] = fneg double [[X]], !fpmath [[META1]]
60; CHECK-NEXT:    [[FOO:%.*]] = fadd double [[NEG1]], [[NEG1]]
61; CHECK-NEXT:    ret double [[FOO]]
62;
63  %neg1 = fneg double %x, !fpmath !0
64  %neg2 = fneg double %x, !fpmath !1
65  %foo = fadd double %neg1, %neg2
66  ret double %foo
67}
68
69
70!0 = !{ float 5.0 }
71!1 = !{ float 2.5 }
72;.
73; CHECK: [[META0]] = !{float 5.000000e+00}
74; CHECK: [[META1]] = !{float 2.500000e+00}
75;.
76