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X86: correct library call setup for Windows itanium

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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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213883 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Saleem Abdulrasool 2014-07-24 17:46:36 +00:00
parent 855a7e6eff
commit 69280f8844
2 changed files with 17 additions and 1 deletions
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2
lib/Target/TargetLibraryInfo.cpp
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@ -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
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