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[AMDGPU] fix failure on printing of non-existing instruction operands. 

Differential revision: https://reviews.llvm.org/D23323

llvm-svn: 278665
This commit is contained in:
Valery Pykhtin 2016-08-15 10:56:48 +00:00
parent 8749089c8c
commit c761675ef4
2 changed files with 10 additions and 0 deletions
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5
llvm/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp
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@ -370,6 +370,11 @@ void AMDGPUInstPrinter::printImmediate64(uint64_t Imm, raw_ostream &O) {
void AMDGPUInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
raw_ostream &O) {
if (OpNo >= MI->getNumOperands()) {
O << "/*Missing OP" << OpNo << "*/";
return;
}
const MCOperand &Op = MI->getOperand(OpNo);
if (Op.isReg()) {
switch (Op.getReg()) {

5
llvm/test/MC/Disassembler/AMDGPU/missing_op.txt Normal file
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@ -0,0 +1,5 @@
# RUN: llvm-mc -arch=amdgcn -mcpu=fiji -disassemble < %s | FileCheck %s -check-prefix=VI
#TODO: this test will fail when we fix v_interp_p2_f32 signature, remove it then
#VI: v_interp_p2_f32 16, [/*Missing OP1*/], /*Missing OP2*/, /*Missing OP3*/, /*Missing OP4*/
0xd4 0x41 0x1d 0xd4