1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -dse -S %s | FileCheck %s 3 4declare i8* @_Znwm() local_unnamed_addr #0 5 6; Function Attrs: argmemonly nounwind willreturn writeonly 7declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1 immarg) #1 8 9define void @test1(i1 %c) { 10; CHECK-LABEL: @test1( 11; CHECK-NEXT: entry: 12; CHECK-NEXT: br i1 [[C:%.*]], label [[COND_TRUE_I_I_I:%.*]], label [[COND_END_I_I_I:%.*]] 13; CHECK: cond.true.i.i.i: 14; CHECK-NEXT: ret void 15; CHECK: cond.end.i.i.i: 16; CHECK-NEXT: [[CALL_I_I_I_I_I:%.*]] = tail call noalias nonnull i8* @_Znam() 17; CHECK-NEXT: [[TMP0:%.*]] = bitcast i8* [[CALL_I_I_I_I_I]] to i64* 18; CHECK-NEXT: tail call void @llvm.memset.p0i8.i64(i8* nonnull align 8 [[CALL_I_I_I_I_I]], i8 0, i64 undef, i1 false) 19; CHECK-NEXT: store i64 0, i64* [[TMP0]], align 8 20; CHECK-NEXT: ret void 21; 22entry: 23 br i1 %c, label %cond.true.i.i.i, label %cond.end.i.i.i 24 25cond.true.i.i.i: ; preds = %entry 26 ret void 27 28cond.end.i.i.i: ; preds = %entry 29 %call.i.i.i.i.i = tail call noalias nonnull i8* @_Znam() #2 30 %0 = bitcast i8* %call.i.i.i.i.i to i64* 31 tail call void @llvm.memset.p0i8.i64(i8* nonnull align 8 %call.i.i.i.i.i, i8 0, i64 undef, i1 false) #3 32 store i64 0, i64* %0, align 8 33 ret void 34} 35 36declare i8* @_Znam() local_unnamed_addr #0 37 38 39define void @test2(i1 %c) { 40; CHECK-LABEL: @test2( 41; CHECK-NEXT: entry: 42; CHECK-NEXT: br i1 [[C:%.*]], label [[CLEANUP_CONT104:%.*]], label [[IF_THEN:%.*]] 43; CHECK: if.then: 44; CHECK-NEXT: [[MUL_I_I_I_I:%.*]] = shl nuw nsw i64 undef, 3 45; CHECK-NEXT: [[CALL_I_I_I_I_I_I131:%.*]] = call noalias nonnull i8* @_Znwm() 46; CHECK-NEXT: [[DOTCAST_I_I:%.*]] = bitcast i8* [[CALL_I_I_I_I_I_I131]] to i64* 47; CHECK-NEXT: store i64 0, i64* [[DOTCAST_I_I]], align 8 48; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* nonnull align 8 [[CALL_I_I_I_I_I_I131]], i8 0, i64 [[MUL_I_I_I_I]], i1 false) 49; CHECK-NEXT: ret void 50; CHECK: cleanup.cont104: 51; CHECK-NEXT: ret void 52; 53entry: 54 br i1 %c, label %cleanup.cont104, label %if.then 55 56if.then: ; preds = %entry 57 %mul.i.i.i.i = shl nuw nsw i64 undef, 3 58 %call.i.i.i.i.i.i131 = call noalias nonnull i8* @_Znwm() #2 59 %.cast.i.i = bitcast i8* %call.i.i.i.i.i.i131 to i64* 60 store i64 0, i64* %.cast.i.i, align 8 61 call void @llvm.memset.p0i8.i64(i8* nonnull align 8 %call.i.i.i.i.i.i131, i8 0, i64 %mul.i.i.i.i, i1 false) #3 62 ret void 63 64cleanup.cont104: ; preds = %entry 65 ret void 66} 67 68attributes #0 = { "use-soft-float"="false" } 69attributes #1 = { argmemonly nounwind willreturn writeonly } 70attributes #2 = { builtin nounwind } 71attributes #3 = { nounwind } 72