(SUBSri GPR:$src, so_imm_neg:$imm)>;
def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
- (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>;
+ (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
+ Requires<[IsARM, HasV6T2]>;
def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
- (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>;
+ (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
+ Requires<[IsARM, HasV6T2]>;
// The with-carry-in form matches bitwise not instead of the negation.
// Effectively, the inverse interpretation of the carry flag already accounts
--- /dev/null
+; RUN: llc < %s -march=arm -mcpu=arm7tdmi | FileCheck %s
+
+; movw is only legal for V6T2 and later.
+; rdar://12300648
+
+define i32 @t(i32 %x) {
+; CHECK: t:
+; CHECK-NOT: movw
+ %tmp = add i32 %x, -65535
+ ret i32 %tmp
+}