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author | Bill Wendling <isanbard@gmail.com> | 2011-08-09 18:31:50 +0000 |
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committer | Bill Wendling <isanbard@gmail.com> | 2011-08-09 18:31:50 +0000 |
commit | a0f596c1fc01d826687e4388b7fccd99cff8dc38 (patch) | |
tree | 85ad84bd71785b53965d1ddb6d37d67bab40e9a7 | |
parent | 4a74b3b933e2944ff313dc5d24da6f9e8ec4c1c4 (diff) | |
download | external_llvm-a0f596c1fc01d826687e4388b7fccd99cff8dc38.zip external_llvm-a0f596c1fc01d826687e4388b7fccd99cff8dc38.tar.gz external_llvm-a0f596c1fc01d826687e4388b7fccd99cff8dc38.tar.bz2 |
Print out the variable declaration only if it is a declaration. Otherwise, a
'static' variable will be emitted twice.
PR10081
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137134 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Target/CBackend/CBackend.cpp | 2 | ||||
-rw-r--r-- | test/CodeGen/CBackend/pr10081.ll | 11 |
2 files changed, 12 insertions, 1 deletions
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp index 5b9a0a2..e4ecb9e 100644 --- a/lib/Target/CBackend/CBackend.cpp +++ b/lib/Target/CBackend/CBackend.cpp @@ -1817,7 +1817,7 @@ bool CWriter::doInitialization(Module &M) { Out << "\n\n/* Global Variable Declarations */\n"; for (Module::global_iterator I = M.global_begin(), E = M.global_end(); I != E; ++I) - if (!I->isDeclaration()) { + if (I->isDeclaration()) { // Ignore special globals, such as debug info. if (getGlobalVariableClass(I)) continue; diff --git a/test/CodeGen/CBackend/pr10081.ll b/test/CodeGen/CBackend/pr10081.ll new file mode 100644 index 0000000..723bf5c --- /dev/null +++ b/test/CodeGen/CBackend/pr10081.ll @@ -0,0 +1,11 @@ +; RUN: llc < %s -march=c | grep {static float _ZL3foo} | count 1 +; PR10081 + +@_ZL3foo = internal global float 0.000000e+00, align 4 + +define float @_Z3barv() nounwind ssp { + %1 = load float* @_ZL3foo, align 4 + %2 = fadd float %1, 1.000000e+00 + store float %2, float* @_ZL3foo, align 4 + ret float %1 +} |