| # RUN: llc -O0 -mtriple thumb-- -mattr=+v6t2 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s |
| --- | |
| define void @test_trunc_and_zext_s1() { ret void } |
| define void @test_trunc_and_sext_s1() { ret void } |
| define void @test_trunc_and_anyext_s1() { ret void } |
| |
| define void @test_trunc_and_zext_s8() { ret void } |
| define void @test_trunc_and_sext_s8() { ret void } |
| define void @test_trunc_and_anyext_s8() { ret void } |
| |
| define void @test_trunc_and_zext_s16() { ret void } |
| define void @test_trunc_and_sext_s16() { ret void } |
| define void @test_trunc_and_anyext_s16() { ret void } |
| ... |
| --- |
| name: test_trunc_and_zext_s1 |
| # CHECK-LABEL: name: test_trunc_and_zext_s1 |
| legalized: true |
| regBankSelected: true |
| selected: false |
| # CHECK: selected: true |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: gprb } |
| - { id: 1, class: gprb } |
| - { id: 2, class: gprb } |
| body: | |
| bb.0: |
| liveins: $r0 |
| |
| %0(s32) = COPY $r0 |
| ; CHECK: [[VREG:%[0-9]+]]:gpr = COPY $r0 |
| |
| %1(s1) = G_TRUNC %0(s32) |
| |
| %2(s32) = G_ZEXT %1(s1) |
| ; CHECK: [[RVREG:%[0-9]+]]:rgpr = COPY [[VREG]] |
| ; CHECK: [[VREGEXT:%[0-9]+]]:rgpr = t2ANDri [[RVREG]], 1, 14, $noreg, $noreg |
| |
| $r0 = COPY %2(s32) |
| ; CHECK: $r0 = COPY [[VREGEXT]] |
| |
| BX_RET 14, $noreg, implicit $r0 |
| ; CHECK: BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_trunc_and_sext_s1 |
| # CHECK-LABEL: name: test_trunc_and_sext_s1 |
| legalized: true |
| regBankSelected: true |
| selected: false |
| # CHECK: selected: true |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: gprb } |
| - { id: 1, class: gprb } |
| - { id: 2, class: gprb } |
| body: | |
| bb.0: |
| liveins: $r0 |
| |
| %0(s32) = COPY $r0 |
| ; CHECK: [[VREG:%[0-9]+]]:gpr = COPY $r0 |
| |
| %1(s1) = G_TRUNC %0(s32) |
| |
| %2(s32) = G_SEXT %1(s1) |
| ; CHECK: [[RVREG:%[0-9]+]]:rgpr = COPY [[VREG]] |
| ; CHECK: [[VREGAND:%[0-9]+]]:rgpr = t2ANDri [[RVREG]], 1, 14, $noreg, $noreg |
| ; CHECK: [[VREGEXT:%[0-9]+]]:rgpr = t2RSBri [[VREGAND]], 0, 14, $noreg, $noreg |
| |
| $r0 = COPY %2(s32) |
| ; CHECK: $r0 = COPY [[VREGEXT]] |
| |
| BX_RET 14, $noreg, implicit $r0 |
| ; CHECK: BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_trunc_and_anyext_s1 |
| # CHECK-LABEL: name: test_trunc_and_anyext_s1 |
| legalized: true |
| regBankSelected: true |
| selected: false |
| # CHECK: selected: true |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: gprb } |
| - { id: 1, class: gprb } |
| - { id: 2, class: gprb } |
| body: | |
| bb.0: |
| liveins: $r0 |
| |
| %0(s32) = COPY $r0 |
| ; CHECK: [[VREG:%[0-9]+]]:gpr = COPY $r0 |
| |
| %1(s1) = G_TRUNC %0(s32) |
| |
| %2(s32) = G_ANYEXT %1(s1) |
| |
| $r0 = COPY %2(s32) |
| ; CHECK: $r0 = COPY [[VREG]] |
| |
| BX_RET 14, $noreg, implicit $r0 |
| ; CHECK: BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_trunc_and_zext_s8 |
| # CHECK-LABEL: name: test_trunc_and_zext_s8 |
| legalized: true |
| regBankSelected: true |
| selected: false |
| # CHECK: selected: true |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: gprb } |
| - { id: 1, class: gprb } |
| - { id: 2, class: gprb } |
| body: | |
| bb.0: |
| liveins: $r0 |
| |
| %0(s32) = COPY $r0 |
| ; CHECK: [[VREG:%[0-9]+]]:gpr = COPY $r0 |
| |
| %1(s8) = G_TRUNC %0(s32) |
| ; CHECK: [[VREGTRUNC:%[0-9]+]]:rgpr = COPY [[VREG]] |
| |
| %2(s32) = G_ZEXT %1(s8) |
| ; CHECK: [[VREGEXT:%[0-9]+]]:rgpr = t2UXTB [[VREGTRUNC]], 0, 14, $noreg |
| |
| $r0 = COPY %2(s32) |
| ; CHECK: $r0 = COPY [[VREGEXT]] |
| |
| BX_RET 14, $noreg, implicit $r0 |
| ; CHECK: BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_trunc_and_sext_s8 |
| # CHECK-LABEL: name: test_trunc_and_sext_s8 |
| legalized: true |
| regBankSelected: true |
| selected: false |
| # CHECK: selected: true |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: gprb } |
| - { id: 1, class: gprb } |
| - { id: 2, class: gprb } |
| body: | |
| bb.0: |
| liveins: $r0 |
| |
| %0(s32) = COPY $r0 |
| ; CHECK: [[VREG:%[0-9]+]]:gpr = COPY $r0 |
| |
| %1(s8) = G_TRUNC %0(s32) |
| ; CHECK: [[VREGTRUNC:%[0-9]+]]:rgpr = COPY [[VREG]] |
| |
| %2(s32) = G_SEXT %1(s8) |
| ; CHECK: [[VREGEXT:%[0-9]+]]:rgpr = t2SXTB [[VREGTRUNC]], 0, 14, $noreg |
| |
| $r0 = COPY %2(s32) |
| ; CHECK: $r0 = COPY [[VREGEXT]] |
| |
| BX_RET 14, $noreg, implicit $r0 |
| ; CHECK: BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_trunc_and_anyext_s8 |
| # CHECK-LABEL: name: test_trunc_and_anyext_s8 |
| legalized: true |
| regBankSelected: true |
| selected: false |
| # CHECK: selected: true |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: gprb } |
| - { id: 1, class: gprb } |
| - { id: 2, class: gprb } |
| body: | |
| bb.0: |
| liveins: $r0 |
| |
| %0(s32) = COPY $r0 |
| ; CHECK: [[VREG:%[0-9]+]]:gpr = COPY $r0 |
| |
| %1(s8) = G_TRUNC %0(s32) |
| |
| %2(s32) = G_ANYEXT %1(s8) |
| |
| $r0 = COPY %2(s32) |
| ; CHECK: $r0 = COPY [[VREG]] |
| |
| BX_RET 14, $noreg, implicit $r0 |
| ; CHECK: BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_trunc_and_zext_s16 |
| # CHECK-LABEL: name: test_trunc_and_zext_s16 |
| legalized: true |
| regBankSelected: true |
| selected: false |
| # CHECK: selected: true |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: gprb } |
| - { id: 1, class: gprb } |
| - { id: 2, class: gprb } |
| body: | |
| bb.0: |
| liveins: $r0 |
| |
| %0(s32) = COPY $r0 |
| ; CHECK: [[VREG:%[0-9]+]]:gpr = COPY $r0 |
| |
| %1(s16) = G_TRUNC %0(s32) |
| ; CHECK: [[VREGTRUNC:%[0-9]+]]:rgpr = COPY [[VREG]] |
| |
| %2(s32) = G_ZEXT %1(s16) |
| ; CHECK: [[VREGEXT:%[0-9]+]]:rgpr = t2UXTH [[VREGTRUNC]], 0, 14, $noreg |
| |
| $r0 = COPY %2(s32) |
| ; CHECK: $r0 = COPY [[VREGEXT]] |
| |
| BX_RET 14, $noreg, implicit $r0 |
| ; CHECK: BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_trunc_and_sext_s16 |
| # CHECK-LABEL: name: test_trunc_and_sext_s16 |
| legalized: true |
| regBankSelected: true |
| selected: false |
| # CHECK: selected: true |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: gprb } |
| - { id: 1, class: gprb } |
| - { id: 2, class: gprb } |
| body: | |
| bb.0: |
| liveins: $r0 |
| |
| %0(s32) = COPY $r0 |
| ; CHECK: [[VREG:%[0-9]+]]:gpr = COPY $r0 |
| |
| %1(s16) = G_TRUNC %0(s32) |
| ; CHECK: [[VREGTRUNC:%[0-9]+]]:rgpr = COPY [[VREG]] |
| |
| %2(s32) = G_SEXT %1(s16) |
| ; CHECK: [[VREGEXT:%[0-9]+]]:rgpr = t2SXTH [[VREGTRUNC]], 0, 14, $noreg |
| |
| $r0 = COPY %2(s32) |
| ; CHECK: $r0 = COPY [[VREGEXT]] |
| |
| BX_RET 14, $noreg, implicit $r0 |
| ; CHECK: BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_trunc_and_anyext_s16 |
| # CHECK-LABEL: name: test_trunc_and_anyext_s16 |
| legalized: true |
| regBankSelected: true |
| selected: false |
| # CHECK: selected: true |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: gprb } |
| - { id: 1, class: gprb } |
| - { id: 2, class: gprb } |
| body: | |
| bb.0: |
| liveins: $r0 |
| |
| %0(s32) = COPY $r0 |
| ; CHECK: [[VREG:%[0-9]+]]:gpr = COPY $r0 |
| |
| %1(s16) = G_TRUNC %0(s32) |
| |
| %2(s32) = G_ANYEXT %1(s16) |
| |
| $r0 = COPY %2(s32) |
| ; CHECK: $r0 = COPY [[VREG]] |
| |
| BX_RET 14, $noreg, implicit $r0 |
| ; CHECK: BX_RET 14, $noreg, implicit $r0 |
| ... |