}
}
if (StringRef("{cc}").equals_lower(Constraint))
- return std::make_pair(0U, ARM::CCRRegisterClass);
+ return std::make_pair(unsigned(ARM::CPSR), ARM::CCRRegisterClass);
return TargetLowering::getRegForInlineAsmConstraint(Constraint, VT);
}
--- /dev/null
+; RUN: llc < %s -O0 -relocation-model=pic -disable-fp-elim
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:64-n32"
+target triple = "armv6-apple-darwin10"
+
+%struct0 = type { i32, i32 }
+
+; This function would crash RegAllocFast because it tried to spill %CPSR.
+define arm_apcscc void @clobber_cc() nounwind noinline ssp {
+entry:
+ %asmtmp = call %struct0 asm sideeffect "...", "=&r,=&r,r,Ir,r,~{cc},~{memory}"(i32* undef, i32 undef, i32 1) nounwind ; <%0> [#uses=0]
+ unreachable
+}