[llvm-commits] [llvm] r163544 - in /llvm/trunk: lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp lib/Target/X86/X86AsmPrinter.cpp lib/Target/X86/X86AsmPrinter.h test/CodeGen/X86/ms-inline-asm.ll

Chad Rosier mcrosier at apple.com
Mon Sep 10 14:10:50 PDT 2012


Author: mcrosier
Date: Mon Sep 10 16:10:49 2012
New Revision: 163544

URL: http://llvm.org/viewvc/llvm-project?rev=163544&view=rev
Log:
[ms-inline asm] Pass the correct AsmVariant to the PrintAsmOperand() function
and update the printOperand() function accordingly.


Added:
    llvm/trunk/test/CodeGen/X86/ms-inline-asm.ll
Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
    llvm/trunk/lib/Target/X86/X86AsmPrinter.cpp
    llvm/trunk/lib/Target/X86/X86AsmPrinter.h

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp?rev=163544&r1=163543&r2=163544&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp Mon Sep 10 16:10:49 2012
@@ -199,7 +199,8 @@
 
   // The variant of the current asmprinter.
   int AsmPrinterVariant = MAI->getAssemblerDialect();
-
+  int InlineAsmVariant = MI->getInlineAsmDialect();
+  
   int CurVariant = -1;            // The number of the {.|.|.} region we are in.
   const char *LastEmitted = AsmStr; // One past the last character emitted.
 
@@ -344,11 +345,11 @@
           else {
             AsmPrinter *AP = const_cast<AsmPrinter*>(this);
             if (InlineAsm::isMemKind(OpFlags)) {
-              Error = AP->PrintAsmMemoryOperand(MI, OpNo, AsmPrinterVariant,
+              Error = AP->PrintAsmMemoryOperand(MI, OpNo, InlineAsmVariant,
                                                 Modifier[0] ? Modifier : 0,
                                                 OS);
             } else {
-              Error = AP->PrintAsmOperand(MI, OpNo, AsmPrinterVariant,
+              Error = AP->PrintAsmOperand(MI, OpNo, InlineAsmVariant,
                                           Modifier[0] ? Modifier : 0, OS);
             }
           }

Modified: llvm/trunk/lib/Target/X86/X86AsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86AsmPrinter.cpp?rev=163544&r1=163543&r2=163544&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86AsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86AsmPrinter.cpp Mon Sep 10 16:10:49 2012
@@ -233,12 +233,14 @@
 
 
 void X86AsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
-                                 raw_ostream &O, const char *Modifier) {
+                                 raw_ostream &O, const char *Modifier,
+                                 unsigned AsmVariant) {
   const MachineOperand &MO = MI->getOperand(OpNo);
   switch (MO.getType()) {
   default: llvm_unreachable("unknown operand type!");
   case MachineOperand::MO_Register: {
-    O << '%';
+    // FIXME: Enumerating AsmVariant, so we can remove magic number.
+    if (AsmVariant == 0) O << '%';
     unsigned Reg = MO.getReg();
     if (Modifier && strncmp(Modifier, "subreg", strlen("subreg")) == 0) {
       EVT VT = (strcmp(Modifier+6,"64") == 0) ?
@@ -471,7 +473,7 @@
     }
   }
 
-  printOperand(MI, OpNo, O);
+  printOperand(MI, OpNo, O, /*Modifier*/ 0, AsmVariant);
   return false;
 }
 

Modified: llvm/trunk/lib/Target/X86/X86AsmPrinter.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86AsmPrinter.h?rev=163544&r1=163543&r2=163544&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86AsmPrinter.h (original)
+++ llvm/trunk/lib/Target/X86/X86AsmPrinter.h Mon Sep 10 16:10:49 2012
@@ -50,7 +50,7 @@
 
   // These methods are used by the tablegen'erated instruction printer.
   void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O,
-                    const char *Modifier = 0);
+                    const char *Modifier = 0, unsigned AsmVariant = 0);
   void print_pcrel_imm(const MachineInstr *MI, unsigned OpNo, raw_ostream &O);
 
   bool printAsmMRegister(const MachineOperand &MO, char Mode, raw_ostream &O);

Added: llvm/trunk/test/CodeGen/X86/ms-inline-asm.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/ms-inline-asm.ll?rev=163544&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/ms-inline-asm.ll (added)
+++ llvm/trunk/test/CodeGen/X86/ms-inline-asm.ll Mon Sep 10 16:10:49 2012
@@ -0,0 +1,14 @@
+; RUN: llc < %s -march=x86 | FileCheck %s
+
+define i32 @t1() nounwind {
+entry:
+  %0 = tail call i32 asm sideeffect inteldialect "mov eax, $1\0Amov $0, eax", "=r,r,~{eax},~{dirflag},~{fpsr},~{flags}"(i32 1) nounwind
+  ret i32 %0
+; CHECK: _t1
+; CHECK: ## InlineAsm Start
+; FIXME: .intel_syntax
+; CHECK: mov eax, ecx
+; CHECK: mov ecx, eax
+; FIXME: .att_syntax
+; CHECK: ## InlineAsm End
+}





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