| # 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 @gmerge_s64_s32() { ret void } |
| ... |
| |
| --- |
| name: gmerge_s64_s32 |
| legalized: true |
| regBankSelected: true |
| registers: |
| - { id: 0, class: gpr } |
| - { id: 1, class: gpr } |
| - { id: 2, class: gpr } |
| |
| body: | |
| bb.0: |
| liveins: $w0, $w1 |
| |
| ; CHECK-LABEL: name: gmerge_s64_s32 |
| ; CHECK: [[COPY:%[0-9]+]]:gpr32all = COPY $w0 |
| ; CHECK: [[COPY1:%[0-9]+]]:gpr32all = COPY $w1 |
| ; CHECK: [[SUBREG_TO_REG:%[0-9]+]]:gpr64 = SUBREG_TO_REG 0, [[COPY]], %subreg.sub_32 |
| ; CHECK: [[SUBREG_TO_REG1:%[0-9]+]]:gpr64 = SUBREG_TO_REG 0, [[COPY1]], %subreg.sub_32 |
| ; CHECK: [[BFMXri:%[0-9]+]]:gpr64 = BFMXri [[SUBREG_TO_REG]], [[SUBREG_TO_REG1]], 32, 31 |
| ; CHECK: $x0 = COPY [[BFMXri]] |
| %0(s32) = COPY $w0 |
| %1(s32) = COPY $w1 |
| %2(s64) = G_MERGE_VALUES %0(s32), %1(s32) |
| $x0 = COPY %2(s64) |
| ... |