# RUN: llc -run-pass=peephole-opt %s -o - -verify-machineinstrs | FileCheck %s # The and -> ands transform is sensitive to scheduling; make sure we don't # transform cases which aren't legal. # CHECK-LABEL: name: foo_transform # CHECK: %2:gpr = ANDri %0, 1, 14, $noreg, def $cpsr # CHECK-NEXT: %3:gpr = MOVCCi16 %1, 5, 0, $cpsr # CHECK-LABEL: name: foo_notransform # CHECK: TSTri %0, 1, 14, $noreg, implicit-def $cpsr # CHECK-NEXT: %2:gpr = MOVCCi16 %1, 5, 0, $cpsr --- | target triple = "armv7-unknown-unknown" define i32 @foo_transform(i32 %in) { ret i32 undef } define i32 @foo_notransform(i32 %in) { ret i32 undef } ... --- name: foo_transform tracksRegLiveness: true body: | bb.0 (%ir-block.0): liveins: $r0 %1:gpr = COPY $r0 %2:gpr = MOVi 4, 14, $noreg, $noreg %4:gpr = ANDri %1:gpr, 1, 14, $noreg, $noreg TSTri %1:gpr, 1, 14, $noreg, implicit-def $cpsr %3:gpr = MOVCCi16 %2, 5, 0, $cpsr $r0 = COPY killed %3 $r1 = COPY killed %4 BX_RET 14, $noreg, implicit $r0, implicit $r1 ... name: foo_notransform tracksRegLiveness: true body: | bb.0 (%ir-block.0): liveins: $r0 %1:gpr = COPY $r0 %2:gpr = MOVi 4, 14, $noreg, $noreg TSTri %1:gpr, 1, 14, $noreg, implicit-def $cpsr %3:gpr = MOVCCi16 %2, 5, 0, $cpsr %4:gpr = ANDri %1:gpr, 1, 14, $noreg, $noreg $r0 = COPY killed %3 $r1 = COPY killed %4 BX_RET 14, $noreg, implicit $r0, implicit $r1