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

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

llvm-svn: 134744
This commit is contained in:
Julien Lerouge 2011-07-08 21:40:25 +00:00
parent ae7bc98710
commit 112fcc164a
2 changed files with 25 additions and 0 deletions
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6
llvm/lib/Target/X86/X86ISelLowering.cpp
View File

@ -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);
}

19
llvm/test/CodeGen/X86/allrem-moddi3.ll Normal file
View File

@ -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