1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -passes=guard-widening,verify < %s | FileCheck %s 3target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2" 4target triple = "x86_64-unknown-linux-gnu" 5 6; Make sure GuardWidening moves 'check' instruction before 'wc1' together with its operand - 'zero'. 7define void @foo() { 8; CHECK-LABEL: @foo( 9; CHECK-NEXT: bb: 10; CHECK-NEXT: [[ZERO:%.*]] = add i32 0, 0 11; CHECK-NEXT: [[WIDE_CHK:%.*]] = icmp ult i32 [[ZERO]], 0 12; CHECK-NEXT: [[WC1:%.*]] = call i1 @llvm.experimental.widenable.condition() 13; CHECK-NEXT: [[WC2:%.*]] = call i1 @llvm.experimental.widenable.condition() 14; CHECK-NEXT: [[CHECK:%.*]] = icmp ult i32 [[ZERO]], 0 15; CHECK-NEXT: [[C2:%.*]] = and i1 [[CHECK]], [[WC2]] 16; CHECK-NEXT: [[C1:%.*]] = and i1 [[WIDE_CHK]], [[WC1]] 17; CHECK-NEXT: br i1 [[C1]], label [[BB6:%.*]], label [[BB9:%.*]] 18; CHECK: bb6: 19; CHECK-NEXT: br i1 true, label [[BB7:%.*]], label [[BB8:%.*]] 20; CHECK: bb7: 21; CHECK-NEXT: ret void 22; CHECK: bb8: 23; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid(i32 0) [ "deopt"() ] 24; CHECK-NEXT: ret void 25; CHECK: bb9: 26; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid(i32 0) [ "deopt"() ] 27; CHECK-NEXT: ret void 28; 29bb: 30 %wc1 = call i1 @llvm.experimental.widenable.condition() 31 %wc2 = call i1 @llvm.experimental.widenable.condition() 32 %zero = add i32 0, 0 33 %check = icmp ult i32 %zero, 0 34 %c1 = and i1 %check, %wc1 35 %c2 = and i1 %check, %wc2 36 br i1 %c1, label %bb6, label %bb9 37 38bb6: ; preds = %bb 39 br i1 %c2, label %bb7, label %bb8 40 41bb7: ; preds = %bb6 42 ret void 43 44bb8: ; preds = %bb6 45 call void (...) @llvm.experimental.deoptimize.isVoid(i32 0) [ "deopt"() ] 46 ret void 47 48bb9: ; preds = %bb 49 call void (...) @llvm.experimental.deoptimize.isVoid(i32 0) [ "deopt"() ] 50 ret void 51} 52 53declare void @llvm.experimental.deoptimize.isVoid(...) 54 55; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(inaccessiblemem: readwrite) 56declare i1 @llvm.experimental.widenable.condition() #0 57 58attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(inaccessiblemem: readwrite) } 59