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author | Fangrui Song <maskray@google.com> | 2019-12-12 16:18:57 -0800 |
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committer | Fangrui Song <maskray@google.com> | 2019-12-13 09:31:54 -0800 |
commit | f99eedeb72644671cd584f48e4c136d47f6b0020 (patch) | |
tree | f96a25e31a3eabc8405bd7bb94e4b09747e9aac4 | |
parent | a2cd4600ec6710f3218f071128e2a81edd23a2b2 (diff) | |
download | bcm5719-llvm-f99eedeb72644671cd584f48e4c136d47f6b0020.tar.gz bcm5719-llvm-f99eedeb72644671cd584f48e4c136d47f6b0020.zip |
[MC][PowerPC] Fix a crash when redefining a symbol after .set
Fix PR44284. This is probably not valid assembly but we should not crash.
Reviewed By: luporl, #powerpc, steven.zhang
Differential Revision: https://reviews.llvm.org/D71443
-rw-r--r-- | llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp | 3 | ||||
-rw-r--r-- | llvm/test/MC/PowerPC/ppc64-localentry-symbols.s | 5 |
2 files changed, 7 insertions, 1 deletions
diff --git a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp index 00df9e41fda..5e91bdb2f8d 100644 --- a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp +++ b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp @@ -201,7 +201,8 @@ public: void finish() override { for (auto *Sym : UpdateOther) - copyLocalEntry(Sym, Sym->getVariableValue()); + if (Sym->isVariable()) + copyLocalEntry(Sym, Sym->getVariableValue()); } private: diff --git a/llvm/test/MC/PowerPC/ppc64-localentry-symbols.s b/llvm/test/MC/PowerPC/ppc64-localentry-symbols.s index f1d5c5d0ab1..a663af57ad4 100644 --- a/llvm/test/MC/PowerPC/ppc64-localentry-symbols.s +++ b/llvm/test/MC/PowerPC/ppc64-localentry-symbols.s @@ -32,3 +32,8 @@ func: nop nop .localentry func, 8 + +## PR44284 Don't crash if err is redefined after .set +.set err, _err +.globl err +err: |