diff options
| -rw-r--r-- | lib/Target/X86/README.txt | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt index 711f1d2345..4464878ce2 100644 --- a/lib/Target/X86/README.txt +++ b/lib/Target/X86/README.txt @@ -1932,23 +1932,3 @@ Replacing an icmp+select with a shift should always be considered profitable in 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. - -//===---------------------------------------------------------------------===// |