# RUN: llc -O0 -mtriple arm-linux-gnueabi -mattr=+hwdiv-arm -run-pass=legalizer %s -o - | FileCheck %s -check-prefixes=CHECK,HWDIV # RUN: llc -O0 -mtriple arm-linux-gnueabi -mattr=-hwdiv-arm -run-pass=legalizer %s -o - | FileCheck %s -check-prefixes=CHECK,SOFT,SOFT-AEABI,ARM-AEABI # RUN: llc -O0 -mtriple arm-linux-gnu -mattr=+hwdiv-arm -run-pass=legalizer %s -o - | FileCheck %s -check-prefixes=CHECK,HWDIV # RUN: llc -O0 -mtriple arm-linux-gnu -mattr=-hwdiv-arm -run-pass=legalizer %s -o - | FileCheck %s -check-prefixes=CHECK,SOFT,SOFT-DEFAULT,ARM-DEFAULT # RUN: llc -O0 -mtriple thumb-linux-gnueabi -mattr=+v6t2,+hwdiv -run-pass=legalizer %s -o - | FileCheck %s -check-prefixes=CHECK,HWDIV # RUN: llc -O0 -mtriple thumb-linux-gnueabi -mattr=+v6t2,-hwdiv -run-pass=legalizer %s -o - | FileCheck %s -check-prefixes=CHECK,SOFT,SOFT-AEABI,THUMB-AEABI # RUN: llc -O0 -mtriple thumb-linux-gnu -mattr=+v6t2,+hwdiv -run-pass=legalizer %s -o - | FileCheck %s -check-prefixes=CHECK,HWDIV # RUN: llc -O0 -mtriple thumb-linux-gnu -mattr=+v6t2,-hwdiv -run-pass=legalizer %s -o - | FileCheck %s -check-prefixes=CHECK,SOFT,SOFT-DEFAULT,THUMB-DEFAULT --- | define void @test_sdiv_i32() { ret void } define void @test_udiv_i32() { ret void } define void @test_sdiv_i16() { ret void } define void @test_udiv_i16() { ret void } define void @test_sdiv_i8() { ret void } define void @test_udiv_i8() { ret void } define void @test_srem_i32() { ret void } define void @test_urem_i32() { ret void } define void @test_srem_i16() { ret void } define void @test_urem_i16() { ret void } define void @test_srem_i8() { ret void } define void @test_urem_i8() { ret void } ... --- name: test_sdiv_i32 # CHECK-LABEL: name: test_sdiv_i32 legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } body: | bb.0: liveins: $r0, $r1 ; CHECK-DAG: [[X:%[0-9]+]]:_(s32) = COPY $r0 ; CHECK-DAG: [[Y:%[0-9]+]]:_(s32) = COPY $r1 %0(s32) = COPY $r0 %1(s32) = COPY $r1 ; HWDIV: [[R:%[0-9]+]]:_(s32) = G_SDIV [[X]], [[Y]] ; SOFT-NOT: G_SDIV ; SOFT: ADJCALLSTACKDOWN ; SOFT-DAG: $r0 = COPY [[X]] ; SOFT-DAG: $r1 = COPY [[Y]] ; ARM-AEABI: BL &__aeabi_idiv, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-AEABI: tBL 14 /* CC::al */, $noreg, &__aeabi_idiv, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; ARM-DEFAULT: BL &__divsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-DEFAULT: tBL 14 /* CC::al */, $noreg, &__divsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; SOFT: [[R:%[0-9]+]]:_(s32) = COPY $r0 ; SOFT: ADJCALLSTACKUP ; SOFT-NOT: G_SDIV %2(s32) = G_SDIV %0, %1 ; CHECK: $r0 = COPY [[R]] $r0 = COPY %2(s32) BX_RET 14 /* CC::al */, $noreg, implicit $r0 ... --- name: test_udiv_i32 # CHECK-LABEL: name: test_udiv_i32 legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } body: | bb.0: liveins: $r0, $r1 ; CHECK-DAG: [[X:%[0-9]+]]:_(s32) = COPY $r0 ; CHECK-DAG: [[Y:%[0-9]+]]:_(s32) = COPY $r1 %0(s32) = COPY $r0 %1(s32) = COPY $r1 ; HWDIV: [[R:%[0-9]+]]:_(s32) = G_UDIV [[X]], [[Y]] ; SOFT-NOT: G_UDIV ; SOFT: ADJCALLSTACKDOWN ; SOFT-DAG: $r0 = COPY [[X]] ; SOFT-DAG: $r1 = COPY [[Y]] ; ARM-AEABI: BL &__aeabi_uidiv, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-AEABI: tBL 14 /* CC::al */, $noreg, &__aeabi_uidiv, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; ARM-DEFAULT: BL &__udivsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-DEFAULT: tBL 14 /* CC::al */, $noreg, &__udivsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; SOFT: [[R:%[0-9]+]]:_(s32) = COPY $r0 ; SOFT: ADJCALLSTACKUP ; SOFT-NOT: G_UDIV %2(s32) = G_UDIV %0, %1 ; CHECK: $r0 = COPY [[R]] $r0 = COPY %2(s32) BX_RET 14 /* CC::al */, $noreg, implicit $r0 ... --- name: test_sdiv_i16 # CHECK-LABEL: name: test_sdiv_i16 legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } - { id: 3, class: _ } - { id: 4, class: _ } - { id: 5, class: _ } body: | bb.0: liveins: $r0, $r1 ; CHECK-DAG: [[R0:%[0-9]+]]:_(s32) = COPY $r0 ; CHECK-DAG: [[R1:%[0-9]+]]:_(s32) = COPY $r1 ; The G_TRUNC will combine with the extensions introduced by the legalizer, ; leading to the following complicated sequences. ; CHECK-DAG: [[BITS:%[0-9]+]]:_(s32) = G_CONSTANT i32 16 ; CHECK-DAG: [[X:%[0-9]+]]:_(s32) = COPY [[R0]] ; CHECK-DAG: [[SHIFTEDX:%[0-9]+]]:_(s32) = G_SHL [[X]], [[BITS]] ; CHECK-DAG: [[X32:%[0-9]+]]:_(s32) = G_ASHR [[SHIFTEDX]], [[BITS]] ; CHECK-DAG: [[Y:%[0-9]+]]:_(s32) = COPY [[R1]] ; CHECK-DAG: [[SHIFTEDY:%[0-9]+]]:_(s32) = G_SHL [[Y]], [[BITS]] ; CHECK-DAG: [[Y32:%[0-9]+]]:_(s32) = G_ASHR [[SHIFTEDY]], [[BITS]] %0(s32) = COPY $r0 %1(s16) = G_TRUNC %0(s32) %2(s32) = COPY $r1 %3(s16) = G_TRUNC %2(s32) ; HWDIV: [[R32:%[0-9]+]]:_(s32) = G_SDIV [[X32]], [[Y32]] ; SOFT-NOT: G_SDIV ; SOFT: ADJCALLSTACKDOWN ; SOFT-DAG: $r0 = COPY [[X32]] ; SOFT-DAG: $r1 = COPY [[Y32]] ; ARM-AEABI: BL &__aeabi_idiv, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-AEABI: tBL 14 /* CC::al */, $noreg, &__aeabi_idiv, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; ARM-DEFAULT: BL &__divsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-DEFAULT: tBL 14 /* CC::al */, $noreg, &__divsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; SOFT: [[R32:%[0-9]+]]:_(s32) = COPY $r0 ; SOFT: ADJCALLSTACKUP ; SOFT-NOT: G_SDIV ; CHECK: [[R:%[0-9]+]]:_(s32) = G_ASHR ; SOFT-NOT: G_SDIV %4(s16) = G_SDIV %1, %3 ; CHECK: $r0 = COPY [[R]] %5(s32) = G_SEXT %4(s16) $r0 = COPY %5(s32) BX_RET 14 /* CC::al */, $noreg, implicit $r0 ... --- name: test_udiv_i16 # CHECK-LABEL: name: test_udiv_i16 legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } - { id: 3, class: _ } - { id: 4, class: _ } - { id: 5, class: _ } body: | bb.0: liveins: $r0, $r1 ; CHECK-DAG: [[R0:%[0-9]+]]:_(s32) = COPY $r0 ; CHECK-DAG: [[R1:%[0-9]+]]:_(s32) = COPY $r1 ; The G_TRUNC will combine with the extensions introduced by the legalizer, ; leading to the following complicated sequences. ; CHECK: [[BITS:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535 ; CHECK: [[X:%[0-9]+]]:_(s32) = COPY [[R0]] ; CHECK: [[X32:%[0-9]+]]:_(s32) = G_AND [[X]], [[BITS]] ; CHECK: [[Y:%[0-9]+]]:_(s32) = COPY [[R1]] ; CHECK: [[Y32:%[0-9]+]]:_(s32) = G_AND [[Y]], [[BITS]] %0(s32) = COPY $r0 %1(s16) = G_TRUNC %0(s32) %2(s32) = COPY $r1 %3(s16) = G_TRUNC %2(s32) ; HWDIV: [[R32:%[0-9]+]]:_(s32) = G_UDIV [[X32]], [[Y32]] ; SOFT-NOT: G_UDIV ; SOFT: ADJCALLSTACKDOWN ; SOFT-DAG: $r0 = COPY [[X32]] ; SOFT-DAG: $r1 = COPY [[Y32]] ; ARM-AEABI: BL &__aeabi_uidiv, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-AEABI: tBL 14 /* CC::al */, $noreg, &__aeabi_uidiv, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; ARM-DEFAULT: BL &__udivsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-DEFAULT: tBL 14 /* CC::al */, $noreg, &__udivsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; SOFT: [[R32:%[0-9]+]]:_(s32) = COPY $r0 ; SOFT: ADJCALLSTACKUP ; SOFT-NOT: G_UDIV ; CHECK: [[R:%[0-9]+]]:_(s32) = G_AND ; SOFT-NOT: G_UDIV %4(s16) = G_UDIV %1, %3 ; CHECK: $r0 = COPY [[R]] %5(s32) = G_ZEXT %4(s16) $r0 = COPY %5(s32) BX_RET 14 /* CC::al */, $noreg, implicit $r0 ... --- name: test_sdiv_i8 # CHECK-LABEL: name: test_sdiv_i8 legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } - { id: 3, class: _ } - { id: 4, class: _ } - { id: 5, class: _ } body: | bb.0: liveins: $r0, $r1 ; CHECK-DAG: [[R0:%[0-9]+]]:_(s32) = COPY $r0 ; CHECK-DAG: [[R1:%[0-9]+]]:_(s32) = COPY $r1 ; The G_TRUNC will combine with the extensions introduced by the legalizer, ; leading to the following complicated sequences. ; CHECK-DAG: [[BITS:%[0-9]+]]:_(s32) = G_CONSTANT i32 24 ; CHECK-DAG: [[X:%[0-9]+]]:_(s32) = COPY [[R0]] ; CHECK-DAG: [[SHIFTEDX:%[0-9]+]]:_(s32) = G_SHL [[X]], [[BITS]] ; CHECK-DAG: [[X32:%[0-9]+]]:_(s32) = G_ASHR [[SHIFTEDX]], [[BITS]] ; CHECK-DAG: [[Y:%[0-9]+]]:_(s32) = COPY [[R1]] ; CHECK-DAG: [[SHIFTEDY:%[0-9]+]]:_(s32) = G_SHL [[Y]], [[BITS]] ; CHECK-DAG: [[Y32:%[0-9]+]]:_(s32) = G_ASHR [[SHIFTEDY]], [[BITS]] %0(s32) = COPY $r0 %1(s8) = G_TRUNC %0(s32) %2(s32) = COPY $r1 %3(s8) = G_TRUNC %2(s32) ; HWDIV: [[R32:%[0-9]+]]:_(s32) = G_SDIV [[X32]], [[Y32]] ; SOFT-NOT: G_SDIV ; SOFT: ADJCALLSTACKDOWN ; SOFT-DAG: $r0 = COPY [[X32]] ; SOFT-DAG: $r1 = COPY [[Y32]] ; ARM-AEABI: BL &__aeabi_idiv, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-AEABI: tBL 14 /* CC::al */, $noreg, &__aeabi_idiv, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; ARM-DEFAULT: BL &__divsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-DEFAULT: tBL 14 /* CC::al */, $noreg, &__divsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; SOFT: [[R32:%[0-9]+]]:_(s32) = COPY $r0 ; SOFT: ADJCALLSTACKUP ; SOFT-NOT: G_SDIV ; CHECK: [[R:%[0-9]+]]:_(s32) = G_ASHR ; SOFT-NOT: G_SDIV %4(s8) = G_SDIV %1, %3 ; CHECK: $r0 = COPY [[R]] %5(s32) = G_SEXT %4(s8) $r0 = COPY %5(s32) BX_RET 14 /* CC::al */, $noreg, implicit $r0 ... --- name: test_udiv_i8 # CHECK-LABEL: name: test_udiv_i8 legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } - { id: 3, class: _ } - { id: 4, class: _ } - { id: 5, class: _ } body: | bb.0: liveins: $r0, $r1 ; CHECK-DAG: [[X:%[0-9]+]]:_(s32) = COPY $r0 ; CHECK-DAG: [[Y:%[0-9]+]]:_(s32) = COPY $r1 ; The G_TRUNC will combine with the extensions introduced by the legalizer, ; leading to the following complicated sequences. ; CHECK: [[BITS:%[0-9]+]]:_(s32) = G_CONSTANT i32 255 ; CHECK: [[X:%[0-9]+]]:_(s32) = COPY [[R0]] ; CHECK: [[X32:%[0-9]+]]:_(s32) = G_AND [[X]], [[BITS]] ; CHECK: [[Y:%[0-9]+]]:_(s32) = COPY [[R1]] ; CHECK: [[Y32:%[0-9]+]]:_(s32) = G_AND [[Y]], [[BITS]] %0(s32) = COPY $r0 %1(s8) = G_TRUNC %0(s32) %2(s32) = COPY $r1 %3(s8) = G_TRUNC %2(s32) ; HWDIV: [[R32:%[0-9]+]]:_(s32) = G_UDIV [[X32]], [[Y32]] ; SOFT-NOT: G_UDIV ; SOFT: ADJCALLSTACKDOWN ; SOFT-DAG: $r0 = COPY [[X32]] ; SOFT-DAG: $r1 = COPY [[Y32]] ; ARM-AEABI: BL &__aeabi_uidiv, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-AEABI: tBL 14 /* CC::al */, $noreg, &__aeabi_uidiv, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; ARM-DEFAULT: BL &__udivsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-DEFAULT: tBL 14 /* CC::al */, $noreg, &__udivsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; SOFT: [[R32:%[0-9]+]]:_(s32) = COPY $r0 ; SOFT: ADJCALLSTACKUP ; SOFT-NOT: G_UDIV ; CHECK: [[R:%[0-9]+]]:_(s32) = G_AND ; SOFT-NOT: G_UDIV %4(s8) = G_UDIV %1, %3 ; CHECK: $r0 = COPY [[R]] %5(s32) = G_ZEXT %4(s8) $r0 = COPY %5(s32) BX_RET 14 /* CC::al */, $noreg, implicit $r0 ... --- name: test_srem_i32 # CHECK-LABEL: name: test_srem_i32 legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } body: | bb.0: liveins: $r0, $r1 ; CHECK-DAG: [[X:%[0-9]+]]:_(s32) = COPY $r0 ; CHECK-DAG: [[Y:%[0-9]+]]:_(s32) = COPY $r1 %0(s32) = COPY $r0 %1(s32) = COPY $r1 ; HWDIV: [[Q:%[0-9]+]]:_(s32) = G_SDIV [[X]], [[Y]] ; HWDIV: [[P:%[0-9]+]]:_(s32) = G_MUL [[Q]], [[Y]] ; HWDIV: [[R:%[0-9]+]]:_(s32) = G_SUB [[X]], [[P]] ; SOFT-NOT: G_SREM ; SOFT: ADJCALLSTACKDOWN ; SOFT-DAG: $r0 = COPY [[X]] ; SOFT-DAG: $r1 = COPY [[Y]] ; ARM-AEABI: BL &__aeabi_idivmod, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0, implicit-def $r1 ; THUMB-AEABI: tBL 14 /* CC::al */, $noreg, &__aeabi_idivmod, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0, implicit-def $r1 ; SOFT-AEABI: [[R:%[0-9]+]]:_(s32) = COPY $r1 ; ARM-DEFAULT: BL &__modsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-DEFAULT: tBL 14 /* CC::al */, $noreg, &__modsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; SOFT-DEFAULT: [[R:%[0-9]+]]:_(s32) = COPY $r0 ; SOFT: ADJCALLSTACKUP ; SOFT-NOT: G_SREM %2(s32) = G_SREM %0, %1 ; CHECK: $r0 = COPY [[R]] $r0 = COPY %2(s32) BX_RET 14 /* CC::al */, $noreg, implicit $r0 ... --- name: test_urem_i32 # CHECK-LABEL: name: test_urem_i32 legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } body: | bb.0: liveins: $r0, $r1 ; CHECK-DAG: [[X:%[0-9]+]]:_(s32) = COPY $r0 ; CHECK-DAG: [[Y:%[0-9]+]]:_(s32) = COPY $r1 %0(s32) = COPY $r0 %1(s32) = COPY $r1 ; HWDIV: [[Q:%[0-9]+]]:_(s32) = G_UDIV [[X]], [[Y]] ; HWDIV: [[P:%[0-9]+]]:_(s32) = G_MUL [[Q]], [[Y]] ; HWDIV: [[R:%[0-9]+]]:_(s32) = G_SUB [[X]], [[P]] ; SOFT-NOT: G_UREM ; SOFT: ADJCALLSTACKDOWN ; SOFT-DAG: $r0 = COPY [[X]] ; SOFT-DAG: $r1 = COPY [[Y]] ; ARM-AEABI: BL &__aeabi_uidivmod, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0, implicit-def $r1 ; THUMB-AEABI: tBL 14 /* CC::al */, $noreg, &__aeabi_uidivmod, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0, implicit-def $r1 ; SOFT-AEABI: [[R:%[0-9]+]]:_(s32) = COPY $r1 ; ARM-DEFAULT: BL &__umodsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-DEFAULT: tBL 14 /* CC::al */, $noreg, &__umodsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; SOFT-DEFAULT: [[R:%[0-9]+]]:_(s32) = COPY $r0 ; SOFT: ADJCALLSTACKUP ; SOFT-NOT: G_UREM %2(s32) = G_UREM %0, %1 ; CHECK: $r0 = COPY [[R]] $r0 = COPY %2(s32) BX_RET 14 /* CC::al */, $noreg, implicit $r0 ... --- name: test_srem_i16 # CHECK-LABEL: name: test_srem_i16 legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } - { id: 3, class: _ } - { id: 4, class: _ } - { id: 5, class: _ } body: | bb.0: liveins: $r0, $r1 ; CHECK-DAG: [[R0:%[0-9]+]]:_(s32) = COPY $r0 ; CHECK-DAG: [[R1:%[0-9]+]]:_(s32) = COPY $r1 ; The G_TRUNC will combine with the extensions introduced by the legalizer, ; leading to the following complicated sequences. ; CHECK-DAG: [[BITS:%[0-9]+]]:_(s32) = G_CONSTANT i32 16 ; CHECK-DAG: [[X:%[0-9]+]]:_(s32) = COPY [[R0]] ; CHECK-DAG: [[SHIFTEDX:%[0-9]+]]:_(s32) = G_SHL [[X]], [[BITS]] ; CHECK-DAG: [[X32:%[0-9]+]]:_(s32) = G_ASHR [[SHIFTEDX]], [[BITS]] ; CHECK-DAG: [[Y:%[0-9]+]]:_(s32) = COPY [[R1]] ; CHECK-DAG: [[SHIFTEDY:%[0-9]+]]:_(s32) = G_SHL [[Y]], [[BITS]] ; CHECK-DAG: [[Y32:%[0-9]+]]:_(s32) = G_ASHR [[SHIFTEDY]], [[BITS]] %0(s32) = COPY $r0 %1(s16) = G_TRUNC %0(s32) %2(s32) = COPY $r1 %3(s16) = G_TRUNC %2(s32) ; HWDIV: [[Q32:%[0-9]+]]:_(s32) = G_SDIV [[X32]], [[Y32]] ; HWDIV: [[P32:%[0-9]+]]:_(s32) = G_MUL [[Q32]], [[Y32]] ; HWDIV: [[R32:%[0-9]+]]:_(s32) = G_SUB [[X32]], [[P32]] ; SOFT-NOT: G_SREM ; SOFT: ADJCALLSTACKDOWN ; SOFT-DAG: $r0 = COPY [[X32]] ; SOFT-DAG: $r1 = COPY [[Y32]] ; ARM-AEABI: BL &__aeabi_idivmod, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-AEABI: tBL 14 /* CC::al */, $noreg, &__aeabi_idivmod, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; SOFT-AEABI: [[R32:%[0-9]+]]:_(s32) = COPY $r1 ; ARM-DEFAULT: BL &__modsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-DEFAULT: tBL 14 /* CC::al */, $noreg, &__modsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; SOFT-DEFAULT: [[R32:%[0-9]+]]:_(s32) = COPY $r0 ; SOFT: ADJCALLSTACKUP ; SOFT-NOT: G_SREM ; CHECK: [[R:%[0-9]+]]:_(s32) = G_ASHR ; SOFT-NOT: G_SREM %4(s16) = G_SREM %1, %3 ; CHECK: $r0 = COPY [[R]] %5(s32) = G_SEXT %4(s16) $r0 = COPY %5(s32) BX_RET 14 /* CC::al */, $noreg, implicit $r0 ... --- name: test_urem_i16 # CHECK-LABEL: name: test_urem_i16 legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } - { id: 3, class: _ } - { id: 4, class: _ } - { id: 5, class: _ } body: | bb.0: liveins: $r0, $r1 ; CHECK-DAG: [[R0:%[0-9]+]]:_(s32) = COPY $r0 ; CHECK-DAG: [[R1:%[0-9]+]]:_(s32) = COPY $r1 ; The G_TRUNC will combine with the extensions introduced by the legalizer, ; leading to the following complicated sequences. ; CHECK: [[BITS:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535 ; CHECK: [[X:%[0-9]+]]:_(s32) = COPY [[R0]] ; CHECK: [[X32:%[0-9]+]]:_(s32) = G_AND [[X]], [[BITS]] ; CHECK: [[Y:%[0-9]+]]:_(s32) = COPY [[R1]] ; CHECK: [[Y32:%[0-9]+]]:_(s32) = G_AND [[Y]], [[BITS]] %0(s32) = COPY $r0 %1(s16) = G_TRUNC %0(s32) %2(s32) = COPY $r1 %3(s16) = G_TRUNC %2(s32) ; HWDIV: [[Q32:%[0-9]+]]:_(s32) = G_UDIV [[X32]], [[Y32]] ; HWDIV: [[P32:%[0-9]+]]:_(s32) = G_MUL [[Q32]], [[Y32]] ; HWDIV: [[R32:%[0-9]+]]:_(s32) = G_SUB [[X32]], [[P32]] ; SOFT-NOT: G_UREM ; SOFT: ADJCALLSTACKDOWN ; SOFT-DAG: $r0 = COPY [[X32]] ; SOFT-DAG: $r1 = COPY [[Y32]] ; ARM-AEABI: BL &__aeabi_uidivmod, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-AEABI: tBL 14 /* CC::al */, $noreg, &__aeabi_uidivmod, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; SOFT-AEABI: [[R32:%[0-9]+]]:_(s32) = COPY $r1 ; ARM-DEFAULT: BL &__umodsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-DEFAULT: tBL 14 /* CC::al */, $noreg, &__umodsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; SOFT-DEFAULT: [[R32:%[0-9]+]]:_(s32) = COPY $r0 ; SOFT: ADJCALLSTACKUP ; SOFT-NOT: G_UREM ; CHECK: [[R:%[0-9]+]]:_(s32) = G_AND ; SOFT-NOT: G_UREM %4(s16) = G_UREM %1, %3 ; CHECK: $r0 = COPY [[R]] %5(s32) = G_ZEXT %4(s16) $r0 = COPY %5(s32) BX_RET 14 /* CC::al */, $noreg, implicit $r0 ... --- name: test_srem_i8 # CHECK-LABEL: name: test_srem_i8 legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } - { id: 3, class: _ } - { id: 4, class: _ } - { id: 5, class: _ } body: | bb.0: liveins: $r0, $r1 ; CHECK-DAG: [[R0:%[0-9]+]]:_(s32) = COPY $r0 ; CHECK-DAG: [[R1:%[0-9]+]]:_(s32) = COPY $r1 ; The G_TRUNC will combine with the extensions introduced by the legalizer, ; leading to the following complicated sequences. ; CHECK-DAG: [[BITS:%[0-9]+]]:_(s32) = G_CONSTANT i32 24 ; CHECK-DAG: [[X:%[0-9]+]]:_(s32) = COPY [[R0]] ; CHECK-DAG: [[SHIFTEDX:%[0-9]+]]:_(s32) = G_SHL [[X]], [[BITS]] ; CHECK-DAG: [[X32:%[0-9]+]]:_(s32) = G_ASHR [[SHIFTEDX]], [[BITS]] ; CHECK-DAG: [[Y:%[0-9]+]]:_(s32) = COPY [[R1]] ; CHECK-DAG: [[SHIFTEDY:%[0-9]+]]:_(s32) = G_SHL [[Y]], [[BITS]] ; CHECK-DAG: [[Y32:%[0-9]+]]:_(s32) = G_ASHR [[SHIFTEDY]], [[BITS]] %0(s32) = COPY $r0 %1(s8) = G_TRUNC %0(s32) %2(s32) = COPY $r1 %3(s8) = G_TRUNC %2(s32) ; HWDIV: [[Q32:%[0-9]+]]:_(s32) = G_SDIV [[X32]], [[Y32]] ; HWDIV: [[P32:%[0-9]+]]:_(s32) = G_MUL [[Q32]], [[Y32]] ; HWDIV: [[R32:%[0-9]+]]:_(s32) = G_SUB [[X32]], [[P32]] ; SOFT-NOT: G_SREM ; SOFT: ADJCALLSTACKDOWN ; SOFT-DAG: $r0 = COPY [[X32]] ; SOFT-DAG: $r1 = COPY [[Y32]] ; ARM-AEABI: BL &__aeabi_idivmod, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-AEABI: tBL 14 /* CC::al */, $noreg, &__aeabi_idivmod, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; SOFT-AEABI: [[R32:%[0-9]+]]:_(s32) = COPY $r1 ; ARM-DEFAULT: BL &__modsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-DEFAULT: tBL 14 /* CC::al */, $noreg, &__modsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; SOFT-DEFAULT: [[R32:%[0-9]+]]:_(s32) = COPY $r0 ; SOFT: ADJCALLSTACKUP ; SOFT-NOT: G_SREM ; CHECK: [[R:%[0-9]+]]:_(s32) = G_ASHR ; SOFT-NOT: G_SREM %4(s8) = G_SREM %1, %3 ; CHECK: $r0 = COPY [[R]] %5(s32) = G_SEXT %4(s8) $r0 = COPY %5(s32) BX_RET 14 /* CC::al */, $noreg, implicit $r0 ... --- name: test_urem_i8 # CHECK-LABEL: name: test_urem_i8 legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } - { id: 3, class: _ } - { id: 4, class: _ } - { id: 5, class: _ } body: | bb.0: liveins: $r0, $r1 ; CHECK-DAG: [[R0:%[0-9]+]]:_(s32) = COPY $r0 ; CHECK-DAG: [[R1:%[0-9]+]]:_(s32) = COPY $r1 ; The G_TRUNC will combine with the extensions introduced by the legalizer, ; leading to the following complicated sequences. ; CHECK: [[BITS:%[0-9]+]]:_(s32) = G_CONSTANT i32 255 ; CHECK: [[X:%[0-9]+]]:_(s32) = COPY [[R0]] ; CHECK: [[X32:%[0-9]+]]:_(s32) = G_AND [[X]], [[BITS]] ; CHECK: [[Y:%[0-9]+]]:_(s32) = COPY [[R1]] ; CHECK: [[Y32:%[0-9]+]]:_(s32) = G_AND [[Y]], [[BITS]] %0(s32) = COPY $r0 %1(s8) = G_TRUNC %0(s32) %2(s32) = COPY $r1 %3(s8) = G_TRUNC %2(s32) ; HWDIV: [[Q32:%[0-9]+]]:_(s32) = G_UDIV [[X32]], [[Y32]] ; HWDIV: [[P32:%[0-9]+]]:_(s32) = G_MUL [[Q32]], [[Y32]] ; HWDIV: [[R32:%[0-9]+]]:_(s32) = G_SUB [[X32]], [[P32]] ; SOFT-NOT: G_UREM ; SOFT: ADJCALLSTACKDOWN ; SOFT-DAG: $r0 = COPY [[X32]] ; SOFT-DAG: $r1 = COPY [[Y32]] ; ARM-AEABI: BL &__aeabi_uidivmod, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-AEABI: tBL 14 /* CC::al */, $noreg, &__aeabi_uidivmod, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; SOFT-AEABI: [[R32:%[0-9]+]]:_(s32) = COPY $r1 ; ARM-DEFAULT: BL &__umodsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; THUMB-DEFAULT: tBL 14 /* CC::al */, $noreg, &__umodsi3, {{.*}}, implicit $r0, implicit $r1, implicit-def $r0 ; SOFT-DEFAULT: [[R32:%[0-9]+]]:_(s32) = COPY $r0 ; SOFT: ADJCALLSTACKUP ; SOFT-NOT: G_UREM ; CHECK: [[R:%[0-9]+]]:_(s32) = G_AND ; SOFT-NOT: G_UREM %4(s8) = G_UREM %1, %3 ; CHECK: $r0 = COPY [[R]] %5(s32) = G_ZEXT %4(s8) $r0 = COPY %5(s32) BX_RET 14 /* CC::al */, $noreg, implicit $r0 ...