1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -passes=lower-widenable-condition < %s | FileCheck %s 3; RUN: opt -S -passes=lower-widenable-condition < %s | FileCheck %s 4 5; Basic test case: make sure that all widenable conditions turn into i1 true. 6define void @f_0(i1 %cond_0, i1 %cond_1) { 7; CHECK-LABEL: @f_0( 8; CHECK-NEXT: entry: 9; CHECK-NEXT: [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[COND_0:%.*]], true 10; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]] 11; CHECK: deopt: 12; CHECK-NEXT: unreachable 13; CHECK: guarded: 14; CHECK-NEXT: [[EXIPLICIT_GUARD_COND4:%.*]] = and i1 [[COND_1:%.*]], true 15; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND4]], label [[GUARDED1:%.*]], label [[DEOPT2:%.*]] 16; CHECK: deopt2: 17; CHECK-NEXT: unreachable 18; CHECK: guarded1: 19; CHECK-NEXT: ret void 20; 21entry: 22 %widenable_cond = call i1 @llvm.experimental.widenable.condition() 23 %exiplicit_guard_cond = and i1 %cond_0, %widenable_cond 24 br i1 %exiplicit_guard_cond, label %guarded, label %deopt 25 26deopt: ; preds = %entry 27 unreachable 28 29guarded: ; preds = %entry 30 %widenable_cond3 = call i1 @llvm.experimental.widenable.condition() 31 %exiplicit_guard_cond4 = and i1 %cond_1, %widenable_cond3 32 br i1 %exiplicit_guard_cond4, label %guarded1, label %deopt2 33 34deopt2: ; preds = %guarded 35 unreachable 36 37guarded1: ; preds = %guarded 38 ret void 39} 40 41; Function Attrs: inaccessiblememonly nounwind 42declare i1 @llvm.experimental.widenable.condition() #0 43 44attributes #0 = { inaccessiblememonly nounwind } 45