| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -O0 -mtriple arm64-- -run-pass=regbankselect -verify-machineinstrs %s -o - | FileCheck %s |
| --- |
| name: build_vec_f16 |
| alignment: 4 |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $w0 |
| |
| ; Check that s16 operands are assigned fpr as we don't have 16 bit gpr regs. |
| ; CHECK-LABEL: name: build_vec_f16 |
| ; CHECK: liveins: $w0 |
| ; CHECK: [[COPY:%[0-9]+]]:gpr(s32) = COPY $w0 |
| ; CHECK: [[TRUNC:%[0-9]+]]:gpr(s16) = G_TRUNC [[COPY]](s32) |
| ; CHECK: [[COPY1:%[0-9]+]]:fpr(s16) = COPY [[TRUNC]](s16) |
| ; CHECK: [[COPY2:%[0-9]+]]:fpr(s16) = COPY [[TRUNC]](s16) |
| ; CHECK: [[COPY3:%[0-9]+]]:fpr(s16) = COPY [[TRUNC]](s16) |
| ; CHECK: [[COPY4:%[0-9]+]]:fpr(s16) = COPY [[TRUNC]](s16) |
| ; CHECK: [[COPY5:%[0-9]+]]:fpr(s16) = COPY [[TRUNC]](s16) |
| ; CHECK: [[COPY6:%[0-9]+]]:fpr(s16) = COPY [[TRUNC]](s16) |
| ; CHECK: [[COPY7:%[0-9]+]]:fpr(s16) = COPY [[TRUNC]](s16) |
| ; CHECK: [[COPY8:%[0-9]+]]:fpr(s16) = COPY [[TRUNC]](s16) |
| ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:fpr(<8 x s16>) = G_BUILD_VECTOR [[COPY1]](s16), [[COPY2]](s16), [[COPY3]](s16), [[COPY4]](s16), [[COPY5]](s16), [[COPY6]](s16), [[COPY7]](s16), [[COPY8]](s16) |
| ; CHECK: $q0 = COPY [[BUILD_VECTOR]](<8 x s16>) |
| ; CHECK: RET_ReallyLR implicit $q0 |
| %0:_(s32) = COPY $w0 |
| %1:_(s16) = G_TRUNC %0(s32) |
| %2:_(<8 x s16>) = G_BUILD_VECTOR %1(s16), %1(s16), %1(s16), %1(s16), %1(s16), %1(s16), %1(s16), %1(s16) |
| $q0 = COPY %2(<8 x s16>) |
| RET_ReallyLR implicit $q0 |
| |
| ... |
