1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -guard-widening-widen-branch-guards=true -passes=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: [[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 void 27; CHECK: guarded1: 28; CHECK-NEXT: ret void 29; 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_cond3 34 br i1 %exiplicit_guard_cond4, label %guarded1, label %deopt2, !prof !0 35 36deopt2: ; preds = %guarded 37 call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] 38 ret void 39 40guarded1: ; preds = %guarded 41 ret void 42} 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 void 56; CHECK: guarded: 57; CHECK-NEXT: ret void 58; 59entry: 60 %widenable_cond = call i1 @llvm.experimental.widenable.condition() 61 %exiplicit_guard_cond = and i1 %cond_0, %widenable_cond 62 br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0 63 64deopt: ; preds = %entry 65 call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] 66 ret void 67 68guarded: ; preds = %entry 69 call void (i1, ...) @llvm.experimental.guard(i1 %cond_1) [ "deopt"() ] 70 ret void 71} 72 73attributes #0 = { inaccessiblememonly nounwind } 74 75!0 = !{!"branch_weights", i32 1048576, i32 1} 76