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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -S -guard-widening-widen-branch-guards=true -passes=guard-widening < %s | FileCheck %s3; RUN: opt -S -guard-widening-widen-branch-guards=true -passes=guard-widening < %s | FileCheck %s4 5; Interaction between intrinsic and widenable condition guards.6 7declare void @llvm.experimental.guard(i1,...)8 9declare void @llvm.experimental.deoptimize.isVoid(...)10 11; Function Attrs: inaccessiblememonly nounwind12declare i1 @llvm.experimental.widenable.condition() #013 14; Widen condition of intrinsic guard with a condition from widenable branch.15define void @test_01(i1 %cond_0, i1 %cond_1) {16; CHECK-LABEL: @test_01(17; CHECK-NEXT: entry:18; CHECK-NEXT: [[COND_1_GW_FR:%.*]] = freeze i1 [[COND_1:%.*]]19; CHECK-NEXT: [[WIDE_CHK:%.*]] = and i1 [[COND_0:%.*]], [[COND_1_GW_FR]]20; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[WIDE_CHK]]) [ "deopt"() ]21; CHECK-NEXT: [[WIDENABLE_COND3:%.*]] = call i1 @llvm.experimental.widenable.condition()22; CHECK-NEXT: [[EXIPLICIT_GUARD_COND4:%.*]] = and i1 [[COND_1_GW_FR]], [[WIDENABLE_COND3]]23; CHECK-NEXT: br i1 true, label [[GUARDED1:%.*]], label [[DEOPT2:%.*]], !prof [[PROF0:![0-9]+]]24; CHECK: deopt2:25; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ]26; CHECK-NEXT: ret void27; CHECK: guarded1:28; CHECK-NEXT: ret void29;30entry:31 call void (i1, ...) @llvm.experimental.guard(i1 %cond_0) [ "deopt"() ]32 %widenable_cond3 = call i1 @llvm.experimental.widenable.condition()33 %exiplicit_guard_cond4 = and i1 %cond_1, %widenable_cond334 br i1 %exiplicit_guard_cond4, label %guarded1, label %deopt2, !prof !035 36deopt2: ; preds = %guarded37 call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ]38 ret void39 40guarded1: ; preds = %guarded41 ret void42}43 44; Widen condition of widenable condition guard with a condition from intrinsic.45define void @test_02(i1 %cond_0, i1 %cond_1) {46; CHECK-LABEL: @test_02(47; CHECK-NEXT: entry:48; CHECK-NEXT: [[COND_1_GW_FR:%.*]] = freeze i1 [[COND_1:%.*]]49; CHECK-NEXT: [[WIDE_CHK:%.*]] = and i1 [[COND_0:%.*]], [[COND_1_GW_FR]]50; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()51; CHECK-NEXT: [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[WIDE_CHK]], [[WIDENABLE_COND]]52; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof [[PROF0]]53; CHECK: deopt:54; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ]55; CHECK-NEXT: ret void56; CHECK: guarded:57; CHECK-NEXT: ret void58;59entry:60 %widenable_cond = call i1 @llvm.experimental.widenable.condition()61 %exiplicit_guard_cond = and i1 %cond_0, %widenable_cond62 br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !063 64deopt: ; preds = %entry65 call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ]66 ret void67 68guarded: ; preds = %entry69 call void (i1, ...) @llvm.experimental.guard(i1 %cond_1) [ "deopt"() ]70 ret void71}72 73attributes #0 = { inaccessiblememonly nounwind }74 75!0 = !{!"branch_weights", i32 1048576, i32 1}76