diff --git a/lib/Support/Windows/DynamicLibrary.inc b/lib/Support/Windows/DynamicLibrary.inc
index 241f95d55a9..79d5f79afa9 100644
--- a/lib/Support/Windows/DynamicLibrary.inc
+++ b/lib/Support/Windows/DynamicLibrary.inc
@@ -94,10 +94,24 @@ DynamicLibrary DynamicLibrary::getPermanentLibrary(const char *filename,
   extern "C" { extern void *SYM; }
 #define EXPLICIT_SYMBOL2(SYMFROM, SYMTO) EXPLICIT_SYMBOL(SYMTO)
 
+#ifdef _M_IX86
+// Win32 on x86 implements certain single-precision math functions as macros.
+// These functions are not exported by the DLL, but will still be needed
+// for symbol-resolution by the JIT loader. Therefore, this Support libray
+// provides helper functions with the same implementation.
+
+#define INLINE_DEF_SYMBOL1(TYP, SYM)                                           \
+  extern "C" TYP inline_##SYM(TYP _X) { return SYM(_X); }
+#define INLINE_DEF_SYMBOL2(TYP, SYM)                                           \
+  extern "C" TYP inline_##SYM(TYP _X, TYP _Y) { return SYM(_X, _Y); }
+#endif
+
 #include "explicit_symbols.inc"
 
 #undef EXPLICIT_SYMBOL
 #undef EXPLICIT_SYMBOL2
+#undef INLINE_DEF_SYMBOL1
+#undef INLINE_DEF_SYMBOL2
 
 void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) {
   SmartScopedLock<true> Lock(*SymbolsMutex);
@@ -121,22 +135,32 @@ void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) {
     }
   }
 
-  #define EXPLICIT_SYMBOL(SYM)                    \
-    if (!strcmp(symbolName, #SYM)) return (void*)&SYM;
-  #define EXPLICIT_SYMBOL2(SYMFROM, SYMTO)        \
-    if (!strcmp(symbolName, #SYMFROM)) return (void*)&SYMTO;
+#define EXPLICIT_SYMBOL(SYM)                                                   \
+  if (!strcmp(symbolName, #SYM))                                               \
+    return (void *)&SYM;
+#define EXPLICIT_SYMBOL2(SYMFROM, SYMTO)                                       \
+  if (!strcmp(symbolName, #SYMFROM))                                           \
+    return (void *)&SYMTO;
+
+#ifdef _M_IX86
+#define INLINE_DEF_SYMBOL1(TYP, SYM)                                           \
+  if (!strcmp(symbolName, #SYM))                                               \
+    return (void *)&inline_##SYM;
+#define INLINE_DEF_SYMBOL2(TYP, SYM) INLINE_DEF_SYMBOL1(TYP, SYM)
+#endif
 
   {
-    #include "explicit_symbols.inc"
+#include "explicit_symbols.inc"
   }
 
-  #undef EXPLICIT_SYMBOL
-  #undef EXPLICIT_SYMBOL2
+#undef EXPLICIT_SYMBOL
+#undef EXPLICIT_SYMBOL2
+#undef INLINE_DEF_SYMBOL1
+#undef INLINE_DEF_SYMBOL2
 
   return 0;
 }
 
-
 void *DynamicLibrary::getAddressOfSymbol(const char *symbolName) {
   if (!isValid())
     return NULL;
@@ -145,5 +169,4 @@ void *DynamicLibrary::getAddressOfSymbol(const char *symbolName) {
   return (void *)(intptr_t)GetProcAddress((HMODULE)Data, symbolName);
 }
 
-
 }
diff --git a/lib/Support/Windows/explicit_symbols.inc b/lib/Support/Windows/explicit_symbols.inc
index 379645d2ff6..5f3818919d2 100644
--- a/lib/Support/Windows/explicit_symbols.inc
+++ b/lib/Support/Windows/explicit_symbols.inc
@@ -63,4 +63,32 @@
 /* msvcrt */
 #if defined(_MSC_VER)
   EXPLICIT_SYMBOL2(alloca, _alloca_probe)
+
+#ifdef _M_IX86
+#define INLINE_DEF_FLOAT_SYMBOL(SYM, ARGC) INLINE_DEF_SYMBOL##ARGC(float, SYM)
+  INLINE_DEF_FLOAT_SYMBOL(acosf, 1)
+  INLINE_DEF_FLOAT_SYMBOL(asinf, 1)
+  INLINE_DEF_FLOAT_SYMBOL(atanf, 1)
+  INLINE_DEF_FLOAT_SYMBOL(atan2f, 2)
+  INLINE_DEF_FLOAT_SYMBOL(ceilf, 1)
+#if (_MSC_VER==1800)
+  INLINE_DEF_FLOAT_SYMBOL(copysignf, 2)
+#endif
+  INLINE_DEF_FLOAT_SYMBOL(cosf, 1)
+  INLINE_DEF_FLOAT_SYMBOL(coshf, 1)
+  INLINE_DEF_FLOAT_SYMBOL(expf, 1)
+  INLINE_DEF_FLOAT_SYMBOL(floorf, 1)
+  INLINE_DEF_FLOAT_SYMBOL(fminf, 2)
+  INLINE_DEF_FLOAT_SYMBOL(fmaxf, 2)
+  INLINE_DEF_FLOAT_SYMBOL(fmodf, 2)
+  INLINE_DEF_FLOAT_SYMBOL(logf, 1)
+  INLINE_DEF_FLOAT_SYMBOL(powf, 2)
+  INLINE_DEF_FLOAT_SYMBOL(sinf, 1)
+  INLINE_DEF_FLOAT_SYMBOL(sinhf, 1)
+  INLINE_DEF_FLOAT_SYMBOL(sqrtf, 1)
+  INLINE_DEF_FLOAT_SYMBOL(tanf, 1)
+  INLINE_DEF_FLOAT_SYMBOL(tanhf, 1)
+#undef INLINE_DEF_FLOAT_SYMBOL
+#endif
+
 #endif
diff --git a/test/ExecutionEngine/frem.ll b/test/ExecutionEngine/frem.ll
new file mode 100644
index 00000000000..7e0b6060f6f
--- /dev/null
+++ b/test/ExecutionEngine/frem.ll
@@ -0,0 +1,20 @@
+; LLI.exe used to crash on Windows\X86 when certain single precession
+; floating point intrinsics (defined as macros) are used.
+; This unit test guards against the failure.
+;
+; RUN: %lli %s | FileCheck %s
+
+@flt = internal global float 12.0e+0
+@str = internal constant [18 x i8] c"Double value: %f\0A\00"
+
+declare i32 @printf(i8* nocapture, ...) nounwind
+
+define i32 @main() {
+  %flt = load float* @flt
+  %float2 = frem float %flt, 5.0
+  %double1 = fpext float %float2 to double
+  call i32 (i8*, ...)* @printf(i8* getelementptr ([18 x i8]* @str, i32 0, i64 0), double %double1)
+  ret i32 0
+}
+
+; CHECK: Double value: 2.0