ARM: raise error message when complex SO expressions can't really be
solved as a constant at compilation time.
llvm-svn: 204898
diff --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index e321549..83fedb7 100644
--- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -9357,7 +9357,7 @@
const MCExpr *SOExpr = Op->getImm();
int64_t Value;
if (!SOExpr->EvaluateAsAbsolute(Value))
- return Match_Success;
+ return Match_InvalidOperand;
assert((Value >= INT32_MIN && Value <= INT32_MAX) &&
"expression value must be representiable in 32 bits");
}
diff --git a/llvm/test/MC/ARM/label_offset.s b/llvm/test/MC/ARM/label_offset.s
new file mode 100644
index 0000000..0aeb3b6
--- /dev/null
+++ b/llvm/test/MC/ARM/label_offset.s
@@ -0,0 +1,8 @@
+@ RUN: not llvm-mc -triple=armv7-linux-gnuabi -filetype=obj < %s 2>&1 | FileCheck %s
+
+.text
+ cmp r2, #(l2 - l1) >> 6
+@ CHECK: error: invalid operand for instruction
+
+l1:
+l2: