1 ; RUN: llc < %s -mtriple=x86_64-apple-macosx -pre-RA-sched=source | FileCheck %s 2 3 ; Teach two-address pass to update the "source" map so it doesn't perform a 4 ; non-profitable commute using outdated info. The test case would still fail 5 ; because of poor pre-RA schedule. That will be fixed by MI scheduler. 6 ; rdar://11472010 7 define i32 @t(i32 %mask) nounwind readnone ssp { 8 entry: 9 ; CHECK: t: 10 ; CHECK-NOT: mov 11 %sub = add i32 %mask, -65535 12 %shr = lshr i32 %sub, 23 13 %and = and i32 %mask, 1 14 %add = add i32 %shr, %and 15 ret i32 %add 16 } 17
