110 lines · plain
1# RUN: llc -run-pass arm-prera-ldst-opt %s -o - | FileCheck %s2# RUN: llc -run-pass arm-prera-ldst-opt -arm-prera-ldst-opt-reorder-limit=3 %s -o - | FileCheck %s3# RUN: llc -run-pass arm-prera-ldst-opt -arm-prera-ldst-opt-reorder-limit=2 %s -o - | FileCheck %s --check-prefix=CHECK-LIMIT4--- |5 target triple = "thumbv7---eabi"6 7 define void @a(ptr nocapture %x, i32 %y, i32 %z) {8 entry:9 ret void10 }11 12 define void @b(ptr nocapture %x, i32 %y, i32 %z) {13 entry:14 ret void15 }16...17---18# CHECK-LABEL: name: a19name: a20alignment: 221tracksRegLiveness: true22liveins:23 - { reg: '$r0', virtual-reg: '%0' }24 - { reg: '$r1', virtual-reg: '%1' }25 - { reg: '$r2', virtual-reg: '%2' }26body: |27 bb.0.entry:28 liveins: $r0, $r1, $r229 30 %2 : rgpr = COPY $r231 %1 : rgpr = COPY $r132 %0 : gpr = COPY $r033 %3 : rgpr = t2MUL %2, %2, 14, $noreg34 %4 : rgpr = t2MUL %1, %1, 14, $noreg35 %5 : rgpr = t2MOVi32imm -85899345936 %6 : rgpr, %7 : rgpr = t2UMULL killed %3, %5, 14, $noreg37 %8 : rgpr, %9 : rgpr = t2UMULL killed %4, %5, 14, $noreg38 t2STRi12 %1, %0, 0, 14, $noreg :: (store (s32))39 %10 : rgpr = t2LSLri %2, 1, 14, $noreg, $noreg40 t2STRi12 killed %10, %0, 4, 14, $noreg :: (store (s32))41 42 ; Make sure we move the paired stores next to each other, and43 ; insert them in an appropriate location.44 ; CHECK: t2STRDi8 %1, %10,45 ; CHECK-NEXT: t2MOVi46 ; CHECK-NEXT: t2ADDrs47 48 %11 : rgpr = t2MOVi 55, 14, $noreg, $noreg49 %12 : gprnopc = t2ADDrs %11, killed %7, 19, 14, $noreg, $noreg50 t2STRi12 killed %12, %0, 16, 14, $noreg :: (store (s32))51 %13 : gprnopc = t2ADDrs %11, killed %9, 19, 14, $noreg, $noreg52 t2STRi12 killed %13, %0, 20, 14, $noreg :: (store (s32))53 54 ; Make sure we move the paired stores next to each other.55 ; CHECK: t2STRDi8 %12, %13,56 57 tBX_RET 14, $noreg58---59# CHECK-LABEL: name: b60name: b61alignment: 262tracksRegLiveness: true63liveins:64 - { reg: '$r0', virtual-reg: '%0' }65 - { reg: '$r1', virtual-reg: '%1' }66 - { reg: '$r2', virtual-reg: '%2' }67body: |68 bb.0.entry:69 liveins: $r0, $r1, $r270 71 %2 : rgpr = COPY $r272 %1 : rgpr = COPY $r173 %0 : gpr = COPY $r074 t2STRi12 %1, %0, 0, 14, $noreg :: (store (s32))75 %10 : rgpr = t2LSLri %2, 1, 14, $noreg, $noreg76 t2STRi12 killed %10, %0, 4, 14, $noreg :: (store (s32))77 %3 : rgpr = t2MUL %2, %2, 14, $noreg78 t2STRi12 %3, %0, 8, 14, $noreg :: (store (s32))79 80 ; Make sure we move the paired stores next to each other, and81 ; insert them in an appropriate location.82 ; CHECK: t2STRi12 {{.*}}, 083 ; CHECK-NEXT: t2STRi12 {{.*}}, 484 ; CHECK-NEXT: t2STRi12 {{.*}}, 885 ; CHECK-NEXT: t2MUL86 ; CHECK-NEXT: t2MOVi32imm87 88 ; CHECK-LIMIT-LABEL: name: b89 ; CHECK-LIMIT: t2STRDi8 {{.*}}, {{.*}}, {{.*}}, 090 ; CHECK-LIMIT-NEXT: t2MUL91 ; CHECK-LIMIT-NEXT: t2STRi12 {{.*}}, 892 93 %4 : rgpr = t2MUL %1, %1, 14, $noreg94 %5 : rgpr = t2MOVi32imm -85899345995 %6 : rgpr, %7 : rgpr = t2UMULL killed %3, %5, 14, $noreg96 %8 : rgpr, %9 : rgpr = t2UMULL killed %4, %5, 14, $noreg97 %10 : rgpr = t2LSLri %2, 1, 14, $noreg, $noreg98 %11 : rgpr = t2MOVi 55, 14, $noreg, $noreg99 %12 : gprnopc = t2ADDrs %11, killed %7, 19, 14, $noreg, $noreg100 t2STRi12 killed %12, %0, 16, 14, $noreg :: (store (s32))101 %13 : gprnopc = t2ADDrs %11, killed %9, 19, 14, $noreg, $noreg102 t2STRi12 killed %13, %0, 20, 14, $noreg :: (store (s32))103 104 ; Make sure we move the paired stores next to each other.105 ; CHECK: t2STRDi8 %12, %13, %0, 16106 107 tBX_RET 14, $noreg108 109...110