1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -guard-widening-widen-branch-guards=true -guard-widening < %s | FileCheck %s 3; RUN: opt -S -guard-widening-widen-branch-guards=true -passes=guard-widening < %s | FileCheck %s 4 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 nounwind 12declare i1 @llvm.experimental.widenable.condition() #0 13 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: [[WIDE_CHK:%.*]] = and i1 [[COND_0:%.*]], [[COND_1:%.*]] 19; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[WIDE_CHK]]) [ "deopt"() ] 20; CHECK-NEXT: [[WIDENABLE_COND3:%.*]] = call i1 @llvm.experimental.widenable.condition() 21; CHECK-NEXT: [[EXIPLICIT_GUARD_COND4:%.*]] = and i1 [[COND_1]], [[WIDENABLE_COND3]] 22; CHECK-NEXT: br i1 true, label [[GUARDED1:%.*]], label [[DEOPT2:%.*]], !prof !0 23; CHECK: deopt2: 24; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] 25; CHECK-NEXT: ret void 26; CHECK: guarded1: 27; CHECK-NEXT: ret void 28; 29entry: 30 call void (i1, ...) @llvm.experimental.guard(i1 %cond_0) [ "deopt"() ] 31 %widenable_cond3 = call i1 @llvm.experimental.widenable.condition() 32 %exiplicit_guard_cond4 = and i1 %cond_1, %widenable_cond3 33 br i1 %exiplicit_guard_cond4, label %guarded1, label %deopt2, !prof !0 34 35deopt2: ; preds = %guarded 36 call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] 37 ret void 38 39guarded1: ; preds = %guarded 40 ret void 41} 42 43; Widen condition of widenable condition guard with a condition from intrinsic. 44define void @test_02(i1 %cond_0, i1 %cond_1) { 45; CHECK-LABEL: @test_02( 46; CHECK-NEXT: entry: 47; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition() 48; CHECK-NEXT: [[WIDE_CHK:%.*]] = and i1 [[COND_0:%.*]], [[COND_1:%.*]] 49; CHECK-NEXT: [[GUARD_CHK:%.*]] = and i1 [[WIDE_CHK]], [[WIDENABLE_COND]] 50; CHECK-NEXT: br i1 [[GUARD_CHK]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof !0 51; CHECK: deopt: 52; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] 53; CHECK-NEXT: ret void 54; CHECK: guarded: 55; CHECK-NEXT: ret void 56; 57entry: 58 %widenable_cond = call i1 @llvm.experimental.widenable.condition() 59 %exiplicit_guard_cond = and i1 %cond_0, %widenable_cond 60 br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0 61 62deopt: ; preds = %entry 63 call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] 64 ret void 65 66guarded: ; preds = %entry 67 call void (i1, ...) @llvm.experimental.guard(i1 %cond_1) [ "deopt"() ] 68 ret void 69} 70 71attributes #0 = { inaccessiblememonly nounwind } 72 73!0 = !{!"branch_weights", i32 1048576, i32 1} 74