RetVT.SimpleTy = std::max(RetVT.SimpleTy, MVT::i32);
// Canonicalize immediates to the RHS first.
- if (UseAdd && isa<ConstantInt>(LHS) && !isa<ConstantInt>(RHS))
+ if (UseAdd && isa<Constant>(LHS) && !isa<Constant>(RHS))
std::swap(LHS, RHS);
// Canonicalize mul by power of 2 to the RHS.
else
ResultReg = emitAddSub_ri(UseAdd, RetVT, LHSReg, LHSIsKill, Imm, SetFlags,
WantResult);
- }
+ } else if (const auto *C = dyn_cast<Constant>(RHS))
+ if (C->isNullValue())
+ ResultReg = emitAddSub_ri(UseAdd, RetVT, LHSReg, LHSIsKill, 0, SetFlags,
+ WantResult);
+
if (ResultReg)
return ResultReg;
ret i32 %conv
}
+define i32 @icmp_eq_ptr(i8* %a) {
+entry:
+; CHECK-LABEL: icmp_eq_ptr
+; CHECK: cmp x0, #0
+; CHECK-NEXT: cset {{.+}}, eq
+ %cmp = icmp eq i8* %a, null
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @icmp_ne_ptr(i8* %a) {
+entry:
+; CHECK-LABEL: icmp_ne_ptr
+; CHECK: cmp x0, #0
+; CHECK-NEXT: cset {{.+}}, ne
+ %cmp = icmp ne i8* %a, null
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
define i32 @icmp_ugt(i32 %a, i32 %b) nounwind ssp {
entry:
; CHECK-LABEL: icmp_ugt