6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-13 20:32:21 +00:00
Code Issues Projects Releases Wiki Activity

Fix handling of the 'n' asm constraint with invalid operands.

Browse Source 
It had accidently accepted a symbol+offset value (and emitted
incorrect code for it, keeping only the offset part) instead of
properly reporting the constraint as invalid.

Differential Revision: http://reviews.llvm.org/D11039

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242040 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
James Y Knight 2015-07-13 16:36:22 +00:00
parent f5be357d37
commit af8cf90e2f
2 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/CodeGen/SelectionDAG/TargetLowering.cpp
View File

@ -2218,8 +2218,8 @@ void TargetLowering::LowerAsmOperandForConstraint(SDValue Op,
Ops.push_back(DAG.getTargetGlobalAddress(GA->getGlobal(),
C ? SDLoc(C) : SDLoc(),
Op.getValueType(), Offs));
return;
}
return;
}
if (C) { // just C, no GV.
// Simple constants are not allowed for 's'.
@ -2229,8 +2229,8 @@ void TargetLowering::LowerAsmOperandForConstraint(SDValue Op,
// ScheduleDAGSDNodes::EmitNode, which is very generic.
Ops.push_back(DAG.getTargetConstant(C->getAPIntValue().getSExtValue(),
SDLoc(C), MVT::i64));
return;
}
return;
}
break;
}

10
test/CodeGen/X86/inline-asm-bad-constraint-n.ll Normal file
View File

@ -0,0 +1,10 @@
; RUN: not llc -march=x86 -no-integrated-as < %s 2>&1 | FileCheck %s
@x = global i32 0, align 4
;CHECK: error: invalid operand for inline asm constraint 'n'
define void @foo() {
%a = getelementptr i32, i32* @x, i32 1
call void asm sideeffect "foo $0", "n"(i32* %a) nounwind
ret void
}