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-rw-r--r--llvm/lib/CodeGen/IntrinsicLowering.cpp8
-rw-r--r--llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp8
-rw-r--r--llvm/lib/Transforms/Utils/LowerInvoke.cpp19
3 files changed, 20 insertions, 15 deletions
diff --git a/llvm/lib/CodeGen/IntrinsicLowering.cpp b/llvm/lib/CodeGen/IntrinsicLowering.cpp
index 3852ebaf642..47625110ffa 100644
--- a/llvm/lib/CodeGen/IntrinsicLowering.cpp
+++ b/llvm/lib/CodeGen/IntrinsicLowering.cpp
@@ -85,9 +85,11 @@ static CallInst *ReplaceCallWith(const char *NewFn, CallInst *CI,
}
// VisualStudio defines setjmp as _setjmp
-#if defined(_MSC_VER) && defined(setjmp)
-#define setjmp_undefined_for_visual_studio
-#undef setjmp
+#if defined(_MSC_VER) && defined(setjmp) && \
+ !defined(setjmp_undefined_for_msvc)
+# pragma push_macro("setjmp")
+# undef setjmp
+# define setjmp_undefined_for_msvc
#endif
void IntrinsicLowering::AddPrototypes(Module &M) {
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index f3bc50d490e..d971db54d3d 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -3970,9 +3970,11 @@ SelectionDAGBuilder::EmitFuncArgumentDbgValue(const Value *V, MDNode *Variable,
}
// VisualStudio defines setjmp as _setjmp
-#if defined(_MSC_VER) && defined(setjmp)
-#define setjmp_undefined_for_visual_studio
-#undef setjmp
+#if defined(_MSC_VER) && defined(setjmp) && \
+ !defined(setjmp_undefined_for_msvc)
+# pragma push_macro("setjmp")
+# undef setjmp
+# define setjmp_undefined_for_msvc
#endif
/// visitIntrinsicCall - Lower the call to the specified intrinsic function. If
diff --git a/llvm/lib/Transforms/Utils/LowerInvoke.cpp b/llvm/lib/Transforms/Utils/LowerInvoke.cpp
index a46dd8402ac..5c65610e5ec 100644
--- a/llvm/lib/Transforms/Utils/LowerInvoke.cpp
+++ b/llvm/lib/Transforms/Utils/LowerInvoke.cpp
@@ -148,19 +148,20 @@ bool LowerInvoke::doInitialization(Module &M) {
"llvm.sjljeh.jblist");
}
-// VisualStudio defines setjmp as _setjmp via #include <csetjmp> / <setjmp.h>,
-// so it looks like Intrinsic::_setjmp
-#if defined(_MSC_VER) && defined(setjmp)
-#define setjmp_undefined_for_visual_studio
-#undef setjmp
+// VisualStudio defines setjmp as _setjmp
+#if defined(_MSC_VER) && defined(setjmp) && \
+ !defined(setjmp_undefined_for_msvc)
+# pragma push_macro("setjmp")
+# undef setjmp
+# define setjmp_undefined_for_msvc
#endif
SetJmpFn = Intrinsic::getDeclaration(&M, Intrinsic::setjmp);
-#if defined(_MSC_VER) && defined(setjmp_undefined_for_visual_studio)
-// let's return it to _setjmp state in case anyone ever needs it after this
-// point under VisualStudio
-#define setjmp _setjmp
+#if defined(_MSC_VER) && defined(setjmp_undefined_for_msvc)
+ // let's return it to _setjmp state
+# pragma pop_macro("setjmp")
+# undef setjmp_undefined_for_msvc
#endif
LongJmpFn = Intrinsic::getDeclaration(&M, Intrinsic::longjmp);
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