Add _allrem, _aullrem and _allmul to the runtime for MSVC.

http://llvm.org/bugs/show_bug.cgi?id=10305

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134744 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index f212f244ecf5810afba29bee00edd75c03ef0604..96edfea121371a297193d34d650e9a13378a68e7 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -235,10 +235,16 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
     // Setup Windows compiler runtime calls.
     setLibcallName(RTLIB::SDIV_I64, "_alldiv");
     setLibcallName(RTLIB::UDIV_I64, "_aulldiv");
+    setLibcallName(RTLIB::SREM_I64, "_allrem");
+    setLibcallName(RTLIB::UREM_I64, "_aullrem");
+    setLibcallName(RTLIB::MUL_I64, "_allmul");
     setLibcallName(RTLIB::FPTOUINT_F64_I64, "_ftol2");
     setLibcallName(RTLIB::FPTOUINT_F32_I64, "_ftol2");
     setLibcallCallingConv(RTLIB::SDIV_I64, CallingConv::X86_StdCall);
     setLibcallCallingConv(RTLIB::UDIV_I64, CallingConv::X86_StdCall);
+    setLibcallCallingConv(RTLIB::SREM_I64, CallingConv::X86_StdCall);
+    setLibcallCallingConv(RTLIB::UREM_I64, CallingConv::X86_StdCall);
+    setLibcallCallingConv(RTLIB::MUL_I64, CallingConv::X86_StdCall);
     setLibcallCallingConv(RTLIB::FPTOUINT_F64_I64, CallingConv::C);
     setLibcallCallingConv(RTLIB::FPTOUINT_F32_I64, CallingConv::C);
   }

diff --git a/test/CodeGen/X86/allrem-moddi3.ll b/test/CodeGen/X86/allrem-moddi3.ll
new file mode 100644 (file)
index 0000000..0c3d04f
--- /dev/null
+++ b/test/CodeGen/X86/allrem-moddi3.ll
@@ -0,0 +1,19 @@
+; Test that, for a 64 bit signed rem, a libcall to allrem is made on Windows
+; unless we have libgcc.
+
+; RUN: llc < %s -mtriple i386-pc-win32 | FileCheck %s
+; RUN: llc < %s -mtriple i386-pc-cygwin | FileCheck %s -check-prefix USEMODDI
+; RUN: llc < %s -mtriple i386-pc-mingw32 | FileCheck %s -check-prefix USEMODDI
+; PR10305
+; END.
+
+define i32 @main(i32 %argc, i8** nocapture %argv) nounwind readonly {
+entry:
+  %conv4 = sext i32 %argc to i64
+  %div = srem i64 84, %conv4
+  %conv7 = trunc i64 %div to i32
+  ret i32 %conv7
+}
+
+; CHECK: allrem
+; USEMODDI: moddi3