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675ecacee4
Summary: Make sure that we report that changes has been made by InstSimplify also in situations when only trivially dead instructions has been removed. If for example a call is removed the call graph must be updated. Bug seem to have been introduced by llvm-svn r367173 (commit 02b9e45a7e4b81), since the code in question was rewritten in that commit. Reviewers: spatel, chandlerc, foad Reviewed By: spatel Subscribers: hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D65973 llvm-svn: 368401
29 lines
883 B
LLVM
Executable File
29 lines
883 B
LLVM
Executable File
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instsimplify -S -o /dev/null -debug-pass=Details 2>&1 | FileCheck --check-prefix DETAILS %s
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; RUN: opt < %s -instsimplify -S -o - | FileCheck %s
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; Verify that InstSimplifyLegacyPass notifies the pass manager about changes
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; being made (when a call is removed CGSCC must be updated).
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;
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; DETAILS: Made Modification 'Remove redundant instructions' on Function 'main'
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define internal void @func_1(i64* nocapture readnone %0) #0 {
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; CHECK-LABEL: @func_1(
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; CHECK-NEXT: unreachable
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;
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unreachable
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}
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define i16 @main(i16 %0, i16** nocapture readnone %1) #1 {
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; CHECK-LABEL: @main(
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; CHECK-NEXT: bb1:
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; CHECK-NEXT: unreachable
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;
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bb1:
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call void @func_1(i64* undef)
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unreachable
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}
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attributes #0 = { noinline norecurse nounwind readnone }
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attributes #1 = { norecurse nounwind readnone }
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