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X86: correct library call setup for Windows itanium 

This target is identical to the Windows MSVC (and follows Microsoft ABI for C).
Correct the library call setup for this target.  The same set of library calls
are missing on this environment.

llvm-svn: 213883
This commit is contained in:
Saleem Abdulrasool 2014-07-24 17:46:36 +00:00
parent 83592a2d32
commit c61ed0474e
2 changed files with 17 additions and 1 deletions
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2
llvm/lib/Target/TargetLibraryInfo.cpp
View File

@ -426,7 +426,7 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T,
TLI.setUnavailable(LibFunc::fiprintf);
}
if (T.isKnownWindowsMSVCEnvironment()) {
if (T.isKnownWindowsMSVCEnvironment() || T.isWindowsItaniumEnvironment()) {
// Win32 does not support long double
TLI.setUnavailable(LibFunc::acosl);
TLI.setUnavailable(LibFunc::asinl);

16
llvm/test/MC/X86/x86-windows-itanium-libcalls.ll Normal file
View File

@ -0,0 +1,16 @@
; RUN: opt -mtriple i686-windows-itanium -O2 -o - %s | llvm-dis | FileCheck %s
target triple = "i686-windows-itanium"
declare dllimport double @floor(double)
define dllexport float @test(float %f) {
%conv = fpext float %f to double
%call = tail call double @floor(double %conv)
%cast = fptrunc double %call to float
ret float %cast
}
; CHECK-NOT: floorf
; CHECK: floor