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author | Chad Rosier <mcrosier@apple.com> | 2013-02-13 21:33:44 +0000 |
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committer | Chad Rosier <mcrosier@apple.com> | 2013-02-13 21:33:44 +0000 |
commit | 7b0bc3fe3e8210ec7fffb311443a07d81cbe1308 (patch) | |
tree | db44b8914f8c1d9b848e52c65072ef8f2a6f3649 | |
parent | 19aa3e37dcf09b126bbd83e11ec9059615c6bd8b (diff) | |
download | external_llvm-7b0bc3fe3e8210ec7fffb311443a07d81cbe1308.zip external_llvm-7b0bc3fe3e8210ec7fffb311443a07d81cbe1308.tar.gz external_llvm-7b0bc3fe3e8210ec7fffb311443a07d81cbe1308.tar.bz2 |
[ms-inline-asm] Add support for memory references that have non-immediate
displacements.
rdar://12974533
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175083 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Target/X86/X86AsmPrinter.cpp | 31 | ||||
-rw-r--r-- | test/CodeGen/X86/ms-inline-asm.ll | 23 |
2 files changed, 41 insertions, 13 deletions
diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp index 75fa9d2..ac5daec 100644 --- a/lib/Target/X86/X86AsmPrinter.cpp +++ b/lib/Target/X86/X86AsmPrinter.cpp @@ -252,14 +252,15 @@ void X86AsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo, } case MachineOperand::MO_Immediate: - O << '$' << MO.getImm(); + if (AsmVariant == 0) O << '$'; + O << MO.getImm(); return; case MachineOperand::MO_JumpTableIndex: case MachineOperand::MO_ConstantPoolIndex: case MachineOperand::MO_GlobalAddress: case MachineOperand::MO_ExternalSymbol: { - O << '$'; + if (AsmVariant == 0) O << '$'; printSymbolOperand(MO, O); break; } @@ -355,19 +356,23 @@ void X86AsmPrinter::printIntelMemReference(const MachineInstr *MI, unsigned Op, NeedPlus = true; } - assert (DispSpec.isImm() && "Displacement is not an immediate!"); - int64_t DispVal = DispSpec.getImm(); - if (DispVal || (!IndexReg.getReg() && !BaseReg.getReg())) { - if (NeedPlus) { - if (DispVal > 0) - O << " + "; - else { - O << " - "; - DispVal = -DispVal; + if (!DispSpec.isImm()) { + if (NeedPlus) O << " + "; + printOperand(MI, Op+3, O, Modifier, AsmVariant); + } else { + int64_t DispVal = DispSpec.getImm(); + if (DispVal || (!IndexReg.getReg() && !BaseReg.getReg())) { + if (NeedPlus) { + if (DispVal > 0) + O << " + "; + else { + O << " - "; + DispVal = -DispVal; + } } + O << DispVal; } - O << DispVal; - } + } O << ']'; } diff --git a/test/CodeGen/X86/ms-inline-asm.ll b/test/CodeGen/X86/ms-inline-asm.ll index 68e332e..c6eb633 100644 --- a/test/CodeGen/X86/ms-inline-asm.ll +++ b/test/CodeGen/X86/ms-inline-asm.ll @@ -79,3 +79,26 @@ entry: ; CHECK: .att_syntax ; CHECK: {{## InlineAsm End|#NO_APP}} } + +@results = global [2 x i32] [i32 3, i32 2], align 4 + +define i32* @t30() nounwind ssp { +entry: + %res = alloca i32*, align 4 + call void asm sideeffect inteldialect "lea edi, dword ptr $0", "*m,~{edi},~{dirflag},~{fpsr},~{flags}"([2 x i32]* @results) nounwind + call void asm sideeffect inteldialect "mov dword ptr $0, edi", "=*m,~{dirflag},~{fpsr},~{flags}"(i32** %res) nounwind + %0 = load i32** %res, align 4 + ret i32* %0 +; CHECK: t30: +; CHECK: {{## InlineAsm Start|#APP}} +; CHECK: .intel_syntax +; CHECK: lea edi, dword ptr [_results] +; CHECK: .att_syntax +; CHECK: {{## InlineAsm End|#NO_APP}} +; CHECK: {{## InlineAsm Start|#APP}} +; CHECK: .intel_syntax +; CHECK: mov dword ptr [esp], edi +; CHECK: .att_syntax +; CHECK: {{## InlineAsm End|#NO_APP}} +; CHECK: movl (%esp), %eax +} |