| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -constraint-elimination -S %s | FileCheck %s |
| |
| declare void @use(i1) |
| |
| define i32 @test_or_ule(i32 %x, i32 %y, i32 %z, i32 %a) { |
| ; CHECK-LABEL: @test_or_ule( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[C_1:%.*]] = icmp ule i32 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[C_2:%.*]] = icmp ule i32 [[Y]], [[Z:%.*]] |
| ; CHECK-NEXT: [[OR:%.*]] = or i1 [[C_1]], [[C_2]] |
| ; CHECK-NEXT: br i1 [[OR]], label [[BB1:%.*]], label [[EXIT:%.*]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: [[C_3:%.*]] = icmp ule i32 [[X]], [[Z]] |
| ; CHECK-NEXT: call void @use(i1 [[C_3]]) |
| ; CHECK-NEXT: [[C_4:%.*]] = icmp ule i32 [[X]], [[A:%.*]] |
| ; CHECK-NEXT: call void @use(i1 [[C_4]]) |
| ; CHECK-NEXT: ret i32 10 |
| ; CHECK: exit: |
| ; CHECK-NEXT: [[F_1:%.*]] = icmp ule i32 [[X]], [[Z]] |
| ; CHECK-NEXT: call void @use(i1 false) |
| ; CHECK-NEXT: [[C_5:%.*]] = icmp ule i32 [[X]], [[A]] |
| ; CHECK-NEXT: call void @use(i1 [[C_5]]) |
| ; CHECK-NEXT: [[T_1:%.*]] = icmp ugt i32 [[Y]], [[Z]] |
| ; CHECK-NEXT: call void @use(i1 true) |
| ; CHECK-NEXT: [[T_2:%.*]] = icmp ugt i32 [[X]], [[Y]] |
| ; CHECK-NEXT: call void @use(i1 true) |
| ; CHECK-NEXT: [[T_3:%.*]] = icmp ugt i32 [[X]], [[Z]] |
| ; CHECK-NEXT: call void @use(i1 true) |
| ; CHECK-NEXT: ret i32 20 |
| ; |
| entry: |
| %c.1 = icmp ule i32 %x, %y |
| %c.2 = icmp ule i32 %y, %z |
| %or = or i1 %c.1, %c.2 |
| br i1 %or, label %bb1, label %exit |
| |
| bb1: |
| %c.3 = icmp ule i32 %x, %z |
| call void @use(i1 %c.3) |
| |
| %c.4 = icmp ule i32 %x, %a |
| call void @use(i1 %c.4) |
| |
| ret i32 10 |
| |
| exit: |
| %f.1 = icmp ule i32 %x, %z |
| call void @use(i1 %f.1) |
| |
| %c.5 = icmp ule i32 %x, %a |
| call void @use(i1 %c.5) |
| |
| %t.1 = icmp ugt i32 %y, %z |
| call void @use(i1 %t.1) |
| |
| %t.2 = icmp ugt i32 %x, %y |
| call void @use(i1 %t.2) |
| |
| %t.3 = icmp ugt i32 %x, %z |
| call void @use(i1 %t.3) |
| |
| ret i32 20 |
| } |
| |
| ; The result of test_or_ule and test_or_select_ule should be same |
| define i32 @test_or_select_ule(i32 %x, i32 %y, i32 %z, i32 %a) { |
| ; CHECK-LABEL: @test_or_select_ule( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[C_1:%.*]] = icmp ule i32 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[C_2:%.*]] = icmp ule i32 [[Y]], [[Z:%.*]] |
| ; CHECK-NEXT: [[OR:%.*]] = select i1 [[C_1]], i1 true, i1 [[C_2]] |
| ; CHECK-NEXT: br i1 [[OR]], label [[BB1:%.*]], label [[EXIT:%.*]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: [[C_3:%.*]] = icmp ule i32 [[X]], [[Z]] |
| ; CHECK-NEXT: call void @use(i1 [[C_3]]) |
| ; CHECK-NEXT: [[C_4:%.*]] = icmp ule i32 [[X]], [[A:%.*]] |
| ; CHECK-NEXT: call void @use(i1 [[C_4]]) |
| ; CHECK-NEXT: ret i32 10 |
| ; CHECK: exit: |
| ; CHECK-NEXT: [[F_1:%.*]] = icmp ule i32 [[X]], [[Z]] |
| ; CHECK-NEXT: call void @use(i1 false) |
| ; CHECK-NEXT: [[C_5:%.*]] = icmp ule i32 [[X]], [[A]] |
| ; CHECK-NEXT: call void @use(i1 [[C_5]]) |
| ; CHECK-NEXT: [[T_1:%.*]] = icmp ugt i32 [[Y]], [[Z]] |
| ; CHECK-NEXT: call void @use(i1 true) |
| ; CHECK-NEXT: [[T_2:%.*]] = icmp ugt i32 [[X]], [[Y]] |
| ; CHECK-NEXT: call void @use(i1 true) |
| ; CHECK-NEXT: [[T_3:%.*]] = icmp ugt i32 [[X]], [[Z]] |
| ; CHECK-NEXT: call void @use(i1 true) |
| ; CHECK-NEXT: ret i32 20 |
| ; |
| entry: |
| %c.1 = icmp ule i32 %x, %y |
| %c.2 = icmp ule i32 %y, %z |
| %or = select i1 %c.1, i1 true, i1 %c.2 |
| br i1 %or, label %bb1, label %exit |
| |
| bb1: |
| %c.3 = icmp ule i32 %x, %z |
| call void @use(i1 %c.3) |
| |
| %c.4 = icmp ule i32 %x, %a |
| call void @use(i1 %c.4) |
| |
| ret i32 10 |
| |
| exit: |
| %f.1 = icmp ule i32 %x, %z |
| call void @use(i1 %f.1) |
| |
| %c.5 = icmp ule i32 %x, %a |
| call void @use(i1 %c.5) |
| |
| %t.1 = icmp ugt i32 %y, %z |
| call void @use(i1 %t.1) |
| |
| %t.2 = icmp ugt i32 %x, %y |
| call void @use(i1 %t.2) |
| |
| %t.3 = icmp ugt i32 %x, %z |
| call void @use(i1 %t.3) |
| |
| ret i32 20 |
| } |