| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -mtriple=aarch64-unknown-unknown -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s |
| --- |
| name: test_128_fpr_truncation |
| alignment: 4 |
| legalized: true |
| regBankSelected: true |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-LABEL: name: test_128_fpr_truncation |
| ; CHECK: bb.0: |
| ; CHECK: successors: %bb.1(0x80000000) |
| ; CHECK: liveins: $x0 |
| ; CHECK: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0 |
| ; CHECK: [[LDRQui:%[0-9]+]]:fpr128 = LDRQui [[COPY]], 0 :: (load (s128)) |
| ; CHECK: [[COPY1:%[0-9]+]]:gpr32all = COPY [[LDRQui]].ssub |
| ; CHECK: [[COPY2:%[0-9]+]]:gpr32 = COPY [[COPY1]] |
| ; CHECK: TBNZW [[COPY2]], 0, %bb.1 |
| ; CHECK: bb.1: |
| ; CHECK: RET_ReallyLR |
| bb.0: |
| liveins: $x0 |
| %1:gpr(p0) = COPY $x0 |
| %3:gpr(s64) = G_CONSTANT i64 1 |
| %5:gpr(s64) = G_CONSTANT i64 0 |
| %0:fpr(s128) = G_LOAD %1:gpr(p0) :: (load (s128)) |
| %2:fpr(s64) = G_TRUNC %0:fpr(s128) |
| %8:gpr(s64) = COPY %2:fpr(s64) |
| %4:gpr(s64) = G_AND %8:gpr, %3:gpr |
| %7:gpr(s32) = G_ICMP intpred(ne), %4:gpr(s64), %5:gpr |
| %6:gpr(s1) = G_TRUNC %7:gpr(s32) |
| G_BRCOND %6:gpr(s1), %bb.1 |
| |
| bb.1: |
| RET_ReallyLR |
| ... |
| --- |
| name: no_trunc |
| alignment: 4 |
| legalized: true |
| regBankSelected: true |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-LABEL: name: no_trunc |
| ; CHECK: bb.0: |
| ; CHECK: successors: %bb.1(0x80000000) |
| ; CHECK: liveins: $x0 |
| ; CHECK: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0 |
| ; CHECK: [[LDRQui:%[0-9]+]]:fpr128 = LDRQui [[COPY]], 0 :: (load (s128)) |
| ; CHECK: [[COPY1:%[0-9]+]]:gpr64all = COPY [[LDRQui]].dsub |
| ; CHECK: [[COPY2:%[0-9]+]]:gpr64 = COPY [[COPY1]] |
| ; CHECK: TBNZX [[COPY2]], 33, %bb.1 |
| ; CHECK: bb.1: |
| ; CHECK: RET_ReallyLR |
| bb.0: |
| liveins: $x0 |
| %1:gpr(p0) = COPY $x0 |
| %3:gpr(s64) = G_CONSTANT i64 8589934592 |
| %5:gpr(s64) = G_CONSTANT i64 0 |
| %0:fpr(s128) = G_LOAD %1:gpr(p0) :: (load (s128)) |
| %2:fpr(s64) = G_TRUNC %0:fpr(s128) |
| %8:gpr(s64) = COPY %2:fpr(s64) |
| %4:gpr(s64) = G_AND %8:gpr, %3:gpr |
| %7:gpr(s32) = G_ICMP intpred(ne), %4:gpr(s64), %5:gpr |
| %6:gpr(s1) = G_TRUNC %7:gpr(s32) |
| G_BRCOND %6:gpr(s1), %bb.1 |
| bb.1: |
| RET_ReallyLR |