xref: /llvm-project/llvm/test/Transforms/NewGVN/flags.ll (revision 8e353fb6e96deb90a86c9cca3e022c36a668fcce)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
2; RUN: opt -passes=newgvn -S < %s | FileCheck %s
3
4declare void @use(i1)
5
6define void @test1(float %x, float %y) {
7; CHECK-LABEL: define void @test1
8; CHECK-SAME: (float [[X:%.*]], float [[Y:%.*]]) {
9; CHECK-NEXT:  entry:
10; CHECK-NEXT:    [[CMP1:%.*]] = fcmp oeq float [[Y]], [[X]]
11; CHECK-NEXT:    call void @use(i1 [[CMP1]])
12; CHECK-NEXT:    call void @use(i1 [[CMP1]])
13; CHECK-NEXT:    ret void
14;
15entry:
16  %cmp1 = fcmp nnan oeq float %y, %x
17  %cmp2 = fcmp oeq float %x, %y
18  call void @use(i1 %cmp1)
19  call void @use(i1 %cmp2)
20  ret void
21}
22
23define void @test2(i8 %start, i8 %high) {
24; CHECK-LABEL: define void @test2
25; CHECK-SAME: (i8 [[START:%.*]], i8 [[HIGH:%.*]]) {
26; CHECK-NEXT:    [[START1:%.*]] = add i8 [[START]], 4
27; CHECK-NEXT:    [[T1:%.*]] = icmp ult i8 [[START1]], [[HIGH]]
28; CHECK-NEXT:    call void @use(i1 [[T1]])
29; CHECK-NEXT:    call void @use(i1 [[T1]])
30; CHECK-NEXT:    ret void
31;
32  %start1 = add nsw i8 %start, 4
33  %t1 = icmp ult i8 %start1, %high
34  call void @use(i1 %t1)
35
36  %start2 = add i8 %start, 4
37  %t2 = icmp ult i8 %start2, %high
38  call void @use(i1 %t2)
39  ret void
40}
41