#RUN: llc -mtriple=aarch64-- -mcpu=cyclone -run-pass machine-scheduler -o - %s | FileCheck %s --- name: merge_stack # CHECK-LABEL: name: merge_stack tracksRegLiveness: true stack: - { id: 0, size: 16, alignment: 8 } body: | bb.0: liveins: $w0, $w1 %0:gpr32 = COPY $w0 %1:gpr32 = COPY $w1 undef %3.sub_32:gpr64 = ORRWrs $wzr, %0, 0 STRXui %3, %stack.0, 0 :: (store 8) undef %5.sub_32:gpr64 = ORRWrs $wzr, %1, 0 STRXui %5, %stack.0, 1 :: (store 8) RET_ReallyLR ; CHECK: COPY ; CHECK-NEXT: COPY ; CHECK-NEXT: ORRWrs ; CHECK-NEXT: ORRWrs ; CHECK-NEXT: STRXui ; CHECK-NEXT: STRXui ; CHECK-NEXT: RET ... --- name: merge_fixedstack # CHECK-LABEL: name: merge_fixedstack tracksRegLiveness: true fixedStack: - { id: 0, size: 16, alignment: 8, offset: -16 } body: | bb.0: liveins: $w0, $w1 %0:gpr32 = COPY $w0 %1:gpr32 = COPY $w1 undef %3.sub_32:gpr64 = ORRWrs $wzr, %0, 0 STRXui %3, %fixed-stack.0, 0 :: (store 8) undef %5.sub_32:gpr64 = ORRWrs $wzr, %1, 0 STRXui %5, %fixed-stack.0, 1 :: (store 8) RET_ReallyLR ; CHECK: COPY ; CHECK-NEXT: COPY ; CHECK-NEXT: ORRWrs ; CHECK-NEXT: ORRWrs ; CHECK-NEXT: STRXui ; CHECK-NEXT: STRXui ; CHECK-NEXT: RET ...