Summary: Previously if a modifer was placed on a non-GPR register class we would hit an assert or crash.
Reviewers: echristo
Reviewed By: echristo
Subscribers: eraman, llvm-commits
Differential Revision: https://reviews.llvm.org/D45751
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@330238
91177308-0d34-0410-b5e6-
96231b3b80d8
unsigned Reg = MO.getReg();
bool EmitPercent = true;
+ if (!X86::GR8RegClass.contains(Reg) &&
+ !X86::GR16RegClass.contains(Reg) &&
+ !X86::GR32RegClass.contains(Reg) &&
+ !X86::GR64RegClass.contains(Reg))
+ return true;
+
switch (Mode) {
default: return true; // Unknown mode.
case 'b': // Print QImode register
--- /dev/null
+; RUN: not llc -mtriple=x86_64-- < %s 2>&1 | FileCheck %s
+
+;CHECK: error: invalid operand in inline asm: 'vmovd ${1:x}, $0'
+define i32 @foo() {
+entry:
+ %0 = tail call i32 asm sideeffect "vmovd ${1:x}, $0", "=r,x,~{dirflag},~{fpsr},~{flags}"(<2 x i64> <i64 240518168632, i64 240518168632>)
+ ret i32 %0
+}