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