| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s |
| |
| declare void @may_unwind() |
| |
| declare i32 @__gxx_personality_v0(...) |
| |
| define i1 @test_invoke_in_block_with_assume(i32 %x) personality ptr @__gxx_personality_v0 { |
| ; CHECK-LABEL: @test_invoke_in_block_with_assume( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: call void @may_unwind() |
| ; CHECK-NEXT: [[C_1:%.*]] = icmp ult i32 [[X:%.*]], 10 |
| ; CHECK-NEXT: call void @llvm.assume(i1 [[C_1]]) |
| ; CHECK-NEXT: invoke void @may_unwind() |
| ; CHECK-NEXT: to label [[CONT:%.*]] unwind label [[LPAD:%.*]] |
| ; CHECK: cont: |
| ; CHECK-NEXT: [[C_2:%.*]] = icmp ult i32 [[X]], 9 |
| ; CHECK-NEXT: [[RES_1:%.*]] = xor i1 true, [[C_2]] |
| ; CHECK-NEXT: ret i1 [[RES_1]] |
| ; CHECK: lpad: |
| ; CHECK-NEXT: [[LP:%.*]] = landingpad { ptr, i32 } |
| ; CHECK-NEXT: filter [0 x ptr] zeroinitializer |
| ; CHECK-NEXT: [[C_3:%.*]] = icmp ult i32 [[X]], 9 |
| ; CHECK-NEXT: [[RES_2:%.*]] = xor i1 true, [[C_3]] |
| ; CHECK-NEXT: ret i1 [[RES_2]] |
| ; |
| entry: |
| call void @may_unwind() |
| %c.1 = icmp ult i32 %x, 10 |
| call void @llvm.assume(i1 %c.1) |
| invoke void @may_unwind() |
| to label %cont unwind label %lpad |
| |
| cont: |
| %t.1 = icmp ult i32 %x, 10 |
| %c.2 = icmp ult i32 %x, 9 |
| %res.1 = xor i1 %t.1, %c.2 |
| ret i1 %res.1 |
| |
| lpad: |
| %lp = landingpad { ptr, i32 } |
| filter [0 x ptr] zeroinitializer |
| %t.2 = icmp ult i32 %x, 10 |
| %c.3 = icmp ult i32 %x, 9 |
| %res.2 = xor i1 %t.2, %c.3 |
| ret i1 %res.2 |
| } |
| |
| declare void @llvm.assume(i1) |