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[PowerPC] Remove VK_PPC_TLSGD and VK_PPC_TLSLD

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The PowerPC-specific modifiers VK_PPC_TLSGD and VK_PPC_TLSLD
correspond exactly to the generic modifiers VK_TLSGD and VK_TLSLD.
This causes some confusion with the asm parser, since VK_PPC_TLSGD
is output as @tlsgd, which is then read back in as VK_TLSGD.

To avoid this confusion, this patch removes the PowerPC-specific
modifiers and uses the generic modifiers throughout.  (The only
drawback is that the generic modifiers are printed in upper case
while the usual convention on PowerPC is to use lower-case modifiers.
But this is just a cosmetic issue.)

llvm-svn: 185476
This commit is contained in:
Ulrich Weigand 2013-07-02 21:29:06 +00:00
parent 58c56dddd9
commit 042ff673b7
8 changed files with 7 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/llvm/MC/MCExpr.h
View File

@ -216,12 +216,10 @@ public:
VK_PPC_GOT_TLSGD_LO, // symbol@got@tlsgd@l
VK_PPC_GOT_TLSGD_HI, // symbol@got@tlsgd@h
VK_PPC_GOT_TLSGD_HA, // symbol@got@tlsgd@ha
VK_PPC_TLSGD, // symbol@tlsgd
VK_PPC_GOT_TLSLD, // symbol@got@tlsld
VK_PPC_GOT_TLSLD_LO, // symbol@got@tlsld@l
VK_PPC_GOT_TLSLD_HI, // symbol@got@tlsld@h
VK_PPC_GOT_TLSLD_HA, // symbol@got@tlsld@ha
VK_PPC_TLSLD, // symbol@tlsld
VK_Mips_GPREL,
VK_Mips_GOT_CALL,

2
lib/MC/MCELFStreamer.cpp
View File

@ -392,12 +392,10 @@ void MCELFStreamer::fixSymbolsInTLSFixups(const MCExpr *expr) {
case MCSymbolRefExpr::VK_PPC_GOT_TLSGD_LO:
case MCSymbolRefExpr::VK_PPC_GOT_TLSGD_HI:
case MCSymbolRefExpr::VK_PPC_GOT_TLSGD_HA:
case MCSymbolRefExpr::VK_PPC_TLSGD:
case MCSymbolRefExpr::VK_PPC_GOT_TLSLD:
case MCSymbolRefExpr::VK_PPC_GOT_TLSLD_LO:
case MCSymbolRefExpr::VK_PPC_GOT_TLSLD_HI:
case MCSymbolRefExpr::VK_PPC_GOT_TLSLD_HA:
case MCSymbolRefExpr::VK_PPC_TLSLD:
break;
}
MCSymbolData &SD = getAssembler().getOrCreateSymbolData(symRef.getSymbol());

2
lib/MC/MCExpr.cpp
View File

@ -241,12 +241,10 @@ StringRef MCSymbolRefExpr::getVariantKindName(VariantKind Kind) {
case VK_PPC_GOT_TLSGD_LO: return "got@tlsgd@l";
case VK_PPC_GOT_TLSGD_HI: return "got@tlsgd@h";
case VK_PPC_GOT_TLSGD_HA: return "got@tlsgd@ha";
case VK_PPC_TLSGD: return "tlsgd";
case VK_PPC_GOT_TLSLD: return "got@tlsld";
case VK_PPC_GOT_TLSLD_LO: return "got@tlsld@l";
case VK_PPC_GOT_TLSLD_HI: return "got@tlsld@h";
case VK_PPC_GOT_TLSLD_HA: return "got@tlsld@ha";
case VK_PPC_TLSLD: return "tlsld";
case VK_Mips_GPREL: return "GPREL";
case VK_Mips_GOT_CALL: return "GOT_CALL";
case VK_Mips_GOT16: return "GOT16";

4
lib/Target/PowerPC/MCTargetDesc/PPCELFObjectWriter.cpp
View File

@ -295,10 +295,10 @@ unsigned PPCELFObjectWriter::getRelocTypeInner(const MCValue &Target,
case PPC::fixup_ppc_nofixup:
switch (Modifier) {
default: llvm_unreachable("Unsupported Modifier");
case MCSymbolRefExpr::VK_PPC_TLSGD:
case MCSymbolRefExpr::VK_TLSGD:
Type = ELF::R_PPC64_TLSGD;
break;
case MCSymbolRefExpr::VK_PPC_TLSLD:
case MCSymbolRefExpr::VK_TLSLD:
Type = ELF::R_PPC64_TLSLD;
break;
}

6
lib/Target/PowerPC/PPCAsmPrinter.cpp
View File

@ -573,8 +573,7 @@ void PPCAsmPrinter::EmitInstruction(const MachineInstr *MI) {
const GlobalValue *GValue = MO.getGlobal();
MCSymbol *MOSymbol = Mang->getSymbol(GValue);
const MCExpr *SymVar =
MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_TLSGD,
OutContext);
MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_TLSGD, OutContext);
OutStreamer.EmitInstruction(MCInstBuilder(PPC::BL8_NOP_TLSGD)
.addExpr(TlsRef)
.addExpr(SymVar));
@ -625,8 +624,7 @@ void PPCAsmPrinter::EmitInstruction(const MachineInstr *MI) {
const GlobalValue *GValue = MO.getGlobal();
MCSymbol *MOSymbol = Mang->getSymbol(GValue);
const MCExpr *SymVar =
MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_TLSLD,
OutContext);
MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_TLSLD, OutContext);
OutStreamer.EmitInstruction(MCInstBuilder(PPC::BL8_NOP_TLSLD)
.addExpr(TlsRef)
.addExpr(SymVar));

2
test/CodeGen/PowerPC/tls-gd.ll
View File

@ -18,6 +18,6 @@ entry:
; CHECK: addis [[REG:[0-9]+]], 2, a@got@tlsgd@ha
; CHECK-NEXT: addi 3, [[REG]], a@got@tlsgd@l
; CHECK: bl __tls_get_addr(a@tlsgd)
; CHECK: bl __tls_get_addr(a@TLSGD)
; CHECK-NEXT: nop

2
test/CodeGen/PowerPC/tls-ld-2.ll
View File

@ -18,7 +18,7 @@ entry:
; CHECK: addis [[REG:[0-9]+]], 2, a@got@tlsld@ha
; CHECK-NEXT: addi 3, [[REG]], a@got@tlsld@l
; CHECK: bl __tls_get_addr(a@tlsld)
; CHECK: bl __tls_get_addr(a@TLSLD)
; CHECK-NEXT: nop
; CHECK: addis [[REG2:[0-9]+]], 3, a@dtprel@ha
; CHECK-NEXT: lwa {{[0-9]+}}, a@dtprel@l([[REG2]])

2
test/CodeGen/PowerPC/tls-ld.ll
View File

@ -18,7 +18,7 @@ entry:
; CHECK: addis [[REG:[0-9]+]], 2, a@got@tlsld@ha
; CHECK-NEXT: addi 3, [[REG]], a@got@tlsld@l
; CHECK: bl __tls_get_addr(a@tlsld)
; CHECK: bl __tls_get_addr(a@TLSLD)
; CHECK-NEXT: nop
; CHECK: addis [[REG2:[0-9]+]], 3, a@dtprel@ha
; CHECK-NEXT: addi {{[0-9]+}}, [[REG2]], a@dtprel@l