Emit pic jumptables to the same section that the function is emitted to,

allowing label differences to work.  This fixes CodeGen/X86/pic_jumptable.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30744 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter.cpp
index 63d5f9218209cf290bed318452f08b520e74db98..5311b2c5cbb93b3737f3bd052995d5106d3a6871 100644 (file)
--- a/lib/CodeGen/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter.cpp
@@ -200,7 +200,10 @@ void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI,
   // Pick the directive to use to print the jump table entries, and switch to 
   // the appropriate section.
   if (TM.getRelocationModel() == Reloc::PIC_) {
-    SwitchToTextSection(TAI->getJumpTableTextSection(), 0);
+    // In PIC mode, we need to emit the jump table to the same section as the
+    // function body itself, otherwise the label differences won't make sense.
+    const Function *F = MF.getFunction();
+    SwitchToTextSection(getSectionForFunction(*F).c_str(), F);
   } else {
     SwitchToDataSection(TAI->getJumpTableDataSection(), 0);
     if (TD->getPointerSize() == 8)