; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -guard-widening-widen-branch-guards=true -guard-widening < %s | FileCheck %s ; RUN: opt -S -guard-widening-widen-branch-guards=true -passes=guard-widening < %s | FileCheck %s ; Interaction between intrinsic and widenable condition guards. declare void @llvm.experimental.guard(i1,...) declare void @llvm.experimental.deoptimize.isVoid(...) ; Function Attrs: inaccessiblememonly nounwind declare i1 @llvm.experimental.widenable.condition() #0 ; Widen condition of intrinsic guard with a condition from widenable branch. define void @test_01(i1 %cond_0, i1 %cond_1) { ; CHECK-LABEL: @test_01( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[WIDE_CHK:%.*]] = and i1 [[COND_0:%.*]], [[COND_1:%.*]] ; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[WIDE_CHK]]) [ "deopt"() ] ; CHECK-NEXT: [[WIDENABLE_COND3:%.*]] = call i1 @llvm.experimental.widenable.condition() ; CHECK-NEXT: [[EXIPLICIT_GUARD_COND4:%.*]] = and i1 [[COND_1]], [[WIDENABLE_COND3]] ; CHECK-NEXT: br i1 true, label [[GUARDED1:%.*]], label [[DEOPT2:%.*]], !prof [[PROF0:![0-9]+]] ; CHECK: deopt2: ; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] ; CHECK-NEXT: ret void ; CHECK: guarded1: ; CHECK-NEXT: ret void ; entry: call void (i1, ...) @llvm.experimental.guard(i1 %cond_0) [ "deopt"() ] %widenable_cond3 = call i1 @llvm.experimental.widenable.condition() %exiplicit_guard_cond4 = and i1 %cond_1, %widenable_cond3 br i1 %exiplicit_guard_cond4, label %guarded1, label %deopt2, !prof !0 deopt2: ; preds = %guarded call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] ret void guarded1: ; preds = %guarded ret void } ; Widen condition of widenable condition guard with a condition from intrinsic. define void @test_02(i1 %cond_0, i1 %cond_1) { ; CHECK-LABEL: @test_02( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition() ; CHECK-NEXT: [[WIDE_CHK:%.*]] = and i1 [[COND_0:%.*]], [[COND_1:%.*]] ; CHECK-NEXT: [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[WIDE_CHK]], [[WIDENABLE_COND]] ; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof [[PROF0]] ; CHECK: deopt: ; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] ; CHECK-NEXT: ret void ; CHECK: guarded: ; CHECK-NEXT: ret void ; entry: %widenable_cond = call i1 @llvm.experimental.widenable.condition() %exiplicit_guard_cond = and i1 %cond_0, %widenable_cond br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0 deopt: ; preds = %entry call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] ret void guarded: ; preds = %entry call void (i1, ...) @llvm.experimental.guard(i1 %cond_1) [ "deopt"() ] ret void } attributes #0 = { inaccessiblememonly nounwind } !0 = !{!"branch_weights", i32 1048576, i32 1}