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Mark intrinsic functions as llvm-specific.

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llvm-svn: 212347
This commit is contained in:
Rafael Espindola 2014-07-04 15:58:00 +00:00
parent 43fb238a1e
commit 37a35454ed
2 changed files with 11 additions and 0 deletions
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5
lib/Object/IRObjectFile.cpp
View File

@ -245,6 +245,11 @@ uint32_t IRObjectFile::getSymbolFlags(DataRefImpl Symb) const {
Res |= BasicSymbolRef::SF_FormatSpecific;
}
if (auto *F = dyn_cast<Function>(GV)) {
if (F->getName().startswith("llvm."))
Res |= BasicSymbolRef::SF_FormatSpecific;
}
return Res;
}

6
test/Object/mangle-ir.ll
View File

@ -2,7 +2,13 @@
target datalayout = "m:o"
; CHECK-NOT: memcpy
; CHECK: T _f
; CHECK-NOT: memcpy
define void @f() {
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* null, i8* null, i64 0, i32 1, i1 false)
ret void
}
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1)