instcombine.
//===---------------------------------------------------------------------===//
instcombine.
//===---------------------------------------------------------------------===//
-
-It looks like we don't have patterns (or they aren't matching) for adc with
-immediate:
-
-define i64 @f1(i64 %a) nounwind {
- %tmp = sub i64 %a, 734439407618
- ret i64 %tmp
-}
-$ llvm-as < t.ll | llc -march=x86
-
-_f1:
- movl 4(%esp), %eax
- addl $4294967294, %eax
- movl $4294967124, %edx
- adcl 8(%esp), %edx
- ret
-
-There is no need to clobber %edx there.
-
-//===---------------------------------------------------------------------===//