| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -gvn -S < %s | FileCheck %s |
| |
| ; Memdep had funny bug related to invariant.groups - because it did not |
| ; invalidated cache, in some very rare cases it was possible to show memory |
| ; dependence of the instruction that was deleted, but because other instruction |
| ; took it's place it resulted in call to vtable! Removing any of the branch |
| ; hides the bug. |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-grtev4-linux-gnu" |
| |
| %0 = type { i32 (...)**, %1 } |
| %1 = type { %2 } |
| %2 = type { %3 } |
| %3 = type { %4, i64, %5 } |
| %4 = type { i8* } |
| %5 = type { i64, [8 x i8] } |
| |
| define void @fail(i1* noalias sret(i1), %0*, %1*, i8*) local_unnamed_addr #0 { |
| ; CHECK-LABEL: @fail( |
| ; CHECK-NEXT: [[TMP5:%.*]] = bitcast %0* [[TMP1:%.*]] to i64 (%0*)*** |
| ; CHECK-NEXT: [[TMP6:%.*]] = load i64 (%0*)**, i64 (%0*)*** [[TMP5]], align 8, !invariant.group !6 |
| ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64 (%0*)*, i64 (%0*)** [[TMP6]], i64 6 |
| ; CHECK-NEXT: [[TMP8:%.*]] = load i64 (%0*)*, i64 (%0*)** [[TMP7]], align 8, !invariant.load !6 |
| ; CHECK-NEXT: [[TMP9:%.*]] = tail call i64 [[TMP8]](%0* [[TMP1]]) #1 |
| ; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds [[TMP1]], %1* [[TMP2:%.*]], i64 0, i32 0, i32 0, i32 0, i32 0 |
| ; CHECK-NEXT: [[TMP11:%.*]] = load i8*, i8** [[TMP10]], align 8 |
| ; CHECK-NEXT: store i8 0, i8* [[TMP11]], align 1 |
| ; CHECK-NEXT: [[TMP12:%.*]] = bitcast i64 (%0*)** [[TMP6]] to i64 (%0*, i8*, i64)** |
| ; CHECK-NEXT: br i1 undef |
| ; CHECK: [[TMP14:%.*]] = bitcast %0* [[TMP1]] to i64 (%0*, i8*, i64)*** |
| ; CHECK-NEXT: [[DOTPHI_TRANS_INSERT:%.*]] = getelementptr inbounds i64 (%0*, i8*, i64)*, i64 (%0*, i8*, i64)** [[TMP12]], i64 22 |
| ; CHECK-NEXT: [[DOTPRE:%.*]] = load i64 (%0*, i8*, i64)*, i64 (%0*, i8*, i64)** [[DOTPHI_TRANS_INSERT]], align 8, !invariant.load !6 |
| ; CHECK-NEXT: br label [[TMP15:%.*]] |
| ; CHECK: [[TMP16:%.*]] = call i64 [[DOTPRE]](%0* nonnull [[TMP1]], i8* null, i64 0) #1 |
| |
| %5 = bitcast %0* %1 to i64 (%0*)*** |
| %6 = load i64 (%0*)**, i64 (%0*)*** %5, align 8, !invariant.group !6 |
| %7 = getelementptr inbounds i64 (%0*)*, i64 (%0*)** %6, i64 6 |
| %8 = load i64 (%0*)*, i64 (%0*)** %7, align 8, !invariant.load !6 |
| %9 = tail call i64 %8(%0* %1) #1 |
| %10 = getelementptr inbounds %1, %1* %2, i64 0, i32 0, i32 0, i32 0, i32 0 |
| %11 = load i8*, i8** %10, align 8 |
| store i8 0, i8* %11, align 1 |
| br i1 undef, label %12, label %31 |
| |
| ; <label>:12: ; preds = %4 |
| %13 = bitcast %0* %1 to i64 (%0*, i8*, i64)*** |
| br label %14 |
| |
| ; <label>:14: ; preds = %30, %12 |
| %15 = load i64 (%0*, i8*, i64)**, i64 (%0*, i8*, i64)*** %13, align 8, !invariant.group !6 |
| %16 = getelementptr inbounds i64 (%0*, i8*, i64)*, i64 (%0*, i8*, i64)** %15, i64 22 |
| %17 = load i64 (%0*, i8*, i64)*, i64 (%0*, i8*, i64)** %16, align 8, !invariant.load !6 |
| %18 = call i64 %17(%0* nonnull %1, i8* null, i64 0) #1 |
| br i1 undef, label %30, label %19 |
| |
| ; <label>:19: ; preds = %14 |
| br i1 undef, label %20, label %23 |
| |
| ; <label>:20: ; preds = %19 |
| br label %21 |
| |
| ; <label>:21: ; preds = %20 |
| br label %22 |
| |
| ; <label>:22: ; preds = %21 |
| br label %30 |
| |
| ; <label>:23: ; preds = %19 |
| br label %24 |
| |
| ; <label>:24: ; preds = %23 |
| br label %25 |
| |
| ; <label>:25: ; preds = %24 |
| br label %26 |
| |
| ; <label>:26: ; preds = %25 |
| br i1 undef, label %27, label %28 |
| |
| ; <label>:27: ; preds = %26 |
| br label %30 |
| |
| ; <label>:28: ; preds = %26 |
| br label %29 |
| |
| ; <label>:29: ; preds = %28 |
| br label %30 |
| |
| ; <label>:30: ; preds = %29, %27, %22, %14 |
| br i1 undef, label %14, label %31 |
| |
| ; <label>:31: ; preds = %30, %4 |
| ret void |
| } |
| |
| attributes #0 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+popcnt,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #1 = { nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+popcnt,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| |
| !llvm.linker.options = !{} |
| !llvm.module.flags = !{!0, !1, !3, !4, !5} |
| |
| !0 = !{i32 1, !"StrictVTablePointers", i32 1} |
| !1 = !{i32 3, !"StrictVTablePointersRequirement", !2} |
| !2 = !{!"StrictVTablePointers", i32 1} |
| !3 = !{i32 1, !"wchar_size", i32 4} |
| !4 = !{i32 7, !"PIC Level", i32 2} |
| !5 = !{i32 7, !"PIE Level", i32 2} |
| !6 = !{} |