[PATCH] D25834: [MC] Make llvm-mc fail cleanly on invalid output asm variant.
Nirav Dave via llvm-commits
llvm-commits at lists.llvm.org
Thu Oct 20 11:12:37 PDT 2016
niravd created this revision.
niravd added reviewers: rnk, majnemer.
niravd added a subscriber: llvm-commits.
Fixes PR28488.
https://reviews.llvm.org/D25834
Files:
test/MC/AsmParser/invalid-asm-variant.s
tools/llvm-mc/llvm-mc.cpp
Index: tools/llvm-mc/llvm-mc.cpp
===================================================================
--- tools/llvm-mc/llvm-mc.cpp
+++ tools/llvm-mc/llvm-mc.cpp
@@ -563,6 +563,12 @@
IP = TheTarget->createMCInstPrinter(Triple(TripleName), OutputAsmVariant,
*MAI, *MCII, *MRI);
+ if (!IP) {
+ errs() << "error: invalid output assembly variant " << OutputAsmVariant
+ << " for target triple " << TheTriple.normalize() << "\n";
+ return 1;
+ }
+
// Set the display preference for hex vs. decimal immediates.
IP->setPrintImmHex(PrintImmHex);
Index: test/MC/AsmParser/invalid-asm-variant.s
===================================================================
--- /dev/null
+++ test/MC/AsmParser/invalid-asm-variant.s
@@ -0,0 +1,3 @@
+//RUN: not llvm-mc --disassemble -triple=x86_64 --output-asm-variant=2 %s -o - 2>&1 | FileCheck %s
+
+//CHECK: error: invalid output assembly variant 2 for target triple x86_64
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