# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z14 -start-before=postrapseudos %s \ # RUN: -o - | FileCheck %s # # Test that the CC values of logical adds and subs can be used in compare # elimination in the cases of EQ/NE. # CHECK-LABEL: fun0: # CHECK: alr %r3, %r2 # CHECK-NEXT: locrhe %r2, %r3 # CHECK-NEXT: alr %r3, %r2 # CHECK-NEXT: locrnhe %r2, %r3 # CHECK-NEXT: alr %r3, %r2 # CHECK-NEXT: chi %r3, 0 # CHECK-NEXT: locrle %r2, %r3 # CHECK-NEXT: alr %r3, %r2 # CHECK-NEXT: chi %r3, 0 # CHECK-NEXT: locrhe %r2, %r3 # CHECK-NEXT: slrk %r3, %r2, %r3 # CHECK-NEXT: locrh %r2, %r3 # CHECK-NEXT: slrk %r3, %r2, %r3 # CHECK-NEXT: locrnhe %r2, %r3 # CHECK-NEXT: slrk %r3, %r2, %r3 # CHECK-NEXT: chi %r3, 0 # CHECK-NEXT: locrle %r2, %r3 # CHECK-NEXT: slrk %r3, %r2, %r3 # CHECK-NEXT: chi %r3, 0 # CHECK-NEXT: locrhe %r2, %r3 --- | define i32 @fun0(i32 %arg1, i32 %arg2) { bb: ret i32 0 } ... --- name: fun0 body: | bb.0: renamable $r3l = ALRK renamable $r2l, killed renamable $r3l, implicit-def dead $cc CHIMux renamable $r3l, 0, implicit-def $cc renamable $r2l = LOCR killed renamable $r2l, killed renamable $r3l, 14, 8, implicit killed $cc renamable $r3l = ALRK renamable $r2l, killed renamable $r3l, implicit-def dead $cc CHIMux renamable $r3l, 0, implicit-def $cc renamable $r2l = LOCR killed renamable $r2l, killed renamable $r3l, 14, 6, implicit killed $cc renamable $r3l = ALRK renamable $r2l, killed renamable $r3l, implicit-def dead $cc CHIMux renamable $r3l, 0, implicit-def $cc renamable $r2l = LOCR killed renamable $r2l, killed renamable $r3l, 14, 12, implicit killed $cc renamable $r3l = ALRK renamable $r2l, killed renamable $r3l, implicit-def dead $cc CHIMux renamable $r3l, 0, implicit-def $cc renamable $r2l = LOCR killed renamable $r2l, killed renamable $r3l, 14, 10, implicit killed $cc renamable $r3l = SLRK renamable $r2l, killed renamable $r3l, implicit-def dead $cc CHIMux renamable $r3l, 0, implicit-def $cc renamable $r2l = LOCR killed renamable $r2l, killed renamable $r3l, 14, 8, implicit killed $cc renamable $r3l = SLRK renamable $r2l, killed renamable $r3l, implicit-def dead $cc CHIMux renamable $r3l, 0, implicit-def $cc renamable $r2l = LOCR killed renamable $r2l, killed renamable $r3l, 14, 6, implicit killed $cc renamable $r3l = SLRK renamable $r2l, killed renamable $r3l, implicit-def dead $cc CHIMux renamable $r3l, 0, implicit-def $cc renamable $r2l = LOCR killed renamable $r2l, killed renamable $r3l, 14, 12, implicit killed $cc renamable $r3l = SLRK renamable $r2l, killed renamable $r3l, implicit-def dead $cc CHIMux renamable $r3l, 0, implicit-def $cc renamable $r2l = LOCR killed renamable $r2l, killed renamable $r3l, 14, 10, implicit killed $cc Return implicit $r2l ...