| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -O0 -mtriple=aarch64-- -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s |
| |
| --- | |
| target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" |
| |
| define void @imm_s32_gpr() { ret void } |
| define void @imm_s64_gpr() { ret void } |
| define void @test_f64_cp() { ret void } |
| |
| ... |
| |
| --- |
| # Check that we select a 32-bit immediate into a MOVi32imm. |
| name: imm_s32_gpr |
| legalized: true |
| regBankSelected: true |
| |
| registers: |
| - { id: 0, class: gpr } |
| |
| body: | |
| bb.0: |
| liveins: $w0, $w1 |
| |
| ; CHECK-LABEL: name: imm_s32_gpr |
| ; CHECK: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm -1234 |
| ; CHECK: $w0 = COPY [[MOVi32imm]] |
| %0(s32) = G_CONSTANT i32 -1234 |
| $w0 = COPY %0(s32) |
| ... |
| |
| --- |
| # Check that we select a 64-bit immediate into a MOVi64imm. |
| name: imm_s64_gpr |
| legalized: true |
| regBankSelected: true |
| |
| registers: |
| - { id: 0, class: gpr } |
| |
| body: | |
| bb.0: |
| liveins: $w0, $w1 |
| |
| ; CHECK-LABEL: name: imm_s64_gpr |
| ; CHECK: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 1234 |
| ; CHECK: [[SUBREG_TO_REG:%[0-9]+]]:gpr64all = SUBREG_TO_REG 0, [[MOVi32imm]], %subreg.sub_32 |
| ; CHECK: $x0 = COPY [[SUBREG_TO_REG]] |
| %0(s64) = G_CONSTANT i64 1234 |
| $x0 = COPY %0(s64) |
| ... |
| |
| # 64b FP immediates need to be loaded. |
| --- |
| name: test_f64_cp |
| legalized: true |
| regBankSelected: true |
| liveins: |
| - { reg: '$d0' } |
| body: | |
| bb.1 (%ir-block.0): |
| liveins: $d0 |
| |
| ; CHECK-LABEL: name: test_f64_cp |
| ; CHECK: [[COPY:%[0-9]+]]:fpr64 = COPY $d0 |
| ; CHECK: [[ADRP:%[0-9]+]]:gpr64common = ADRP target-flags(aarch64-page) %const.0 |
| ; CHECK: [[LDRDui:%[0-9]+]]:fpr64 = LDRDui [[ADRP]], target-flags(aarch64-pageoff, aarch64-nc) %const.0 |
| ; CHECK: [[FADDDrr:%[0-9]+]]:fpr64 = FADDDrr [[COPY]], [[LDRDui]] |
| ; CHECK: $d0 = COPY [[FADDDrr]] |
| ; CHECK: RET_ReallyLR implicit $d0 |
| %0:fpr(s64) = COPY $d0 |
| %1:fpr(s64) = G_FCONSTANT double 0x3FEFF7CED916872B |
| %2:fpr(s64) = G_FADD %0, %1 |
| $d0 = COPY %2(s64) |
| RET_ReallyLR implicit $d0 |
| |
| ... |