diff options
| -rw-r--r-- | llvm/lib/CodeGen/Analysis.cpp | 5 | ||||
| -rw-r--r-- | llvm/test/LTO/X86/pr25919.ll | 11 |
2 files changed, 16 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/Analysis.cpp b/llvm/lib/CodeGen/Analysis.cpp index 75579a2b455..97b692fbe56 100644 --- a/llvm/lib/CodeGen/Analysis.cpp +++ b/llvm/lib/CodeGen/Analysis.cpp @@ -639,6 +639,11 @@ bool llvm::canBeOmittedFromSymbolTable(const GlobalValue *GV) { if (isa<GlobalAlias>(GV)) return false; + // If we don't see every use, we have to be conservative and assume the value + // address is significant. + if (GV->getParent()->getMaterializer()) + return false; + GlobalStatus GS; if (GlobalStatus::analyzeGlobal(GV, GS)) return false; diff --git a/llvm/test/LTO/X86/pr25919.ll b/llvm/test/LTO/X86/pr25919.ll new file mode 100644 index 00000000000..b7fe0c636a1 --- /dev/null +++ b/llvm/test/LTO/X86/pr25919.ll @@ -0,0 +1,11 @@ +; RUN: llvm-as < %s >%t1 +; RUN: llvm-lto -list-symbols-only %t1 | FileCheck %s + +; This tests that we don't crash trying to find all uses in a lazily loaded +; module. +; CHECK: foo + +target triple = "x86_64-unknown-linux-gnu" +define linkonce_odr void @foo() { + ret void +} |
