[llvm] r306573 - Fix PR33625.

[Rafael Espindola via llvm-commits]

Author: rafael
Date: Wed Jun 28 10:56:07 2017
New Revision: 306573

URL: http://llvm.org/viewvc/llvm-project?rev=306573&view=rev
Log:
Fix PR33625.

We were failing to convert this expression to pcrel.

Added:
    llvm/trunk/test/MC/X86/signed-coff-pcrel.s
Modified:
    llvm/trunk/lib/Target/X86/MCTargetDesc/X86WinCOFFObjectWriter.cpp

Modified: llvm/trunk/lib/Target/X86/MCTargetDesc/X86WinCOFFObjectWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/MCTargetDesc/X86WinCOFFObjectWriter.cpp?rev=306573&r1=306572&r2=306573&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/MCTargetDesc/X86WinCOFFObjectWriter.cpp (original)
+++ llvm/trunk/lib/Target/X86/MCTargetDesc/X86WinCOFFObjectWriter.cpp Wed Jun 28 10:56:07 2017
@@ -44,7 +44,7 @@ unsigned X86WinCOFFObjectWriter::getRelo
                                               const MCAsmBackend &MAB) const {
   unsigned FixupKind = Fixup.getKind();
   if (IsCrossSection) {
-    if (FixupKind != FK_Data_4) {
+    if (FixupKind != FK_Data_4 && FixupKind != llvm::X86::reloc_signed_4byte) {
       Ctx.reportError(Fixup.getLoc(), "Cannot represent this expression");
       return COFF::IMAGE_REL_AMD64_ADDR32;
     }

Added: llvm/trunk/test/MC/X86/signed-coff-pcrel.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/X86/signed-coff-pcrel.s?rev=306573&view=auto
==============================================================================
--- llvm/trunk/test/MC/X86/signed-coff-pcrel.s (added)
+++ llvm/trunk/test/MC/X86/signed-coff-pcrel.s Wed Jun 28 10:56:07 2017
@@ -0,0 +1,12 @@
+// RUN: llvm-mc -triple i686-unknown-windows-msvc -filetype obj -o %t.o %s
+// RUN: llvm-objdump -r %t.o | FileCheck %s
+
+// CHECK: 00000004 IMAGE_REL_I386_REL32 twop32
+
+  .section .rdata,"rd"
+twop32:
+  .quad 0x41f0000000000000
+
+  .text
+0:
+  mulsd twop32-0b(%eax), %xmm1