69 lines
2.2 KiB
YAML
69 lines
2.2 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=aarch64-unknown-unknown -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
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---
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name: test_128_fpr_truncation
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alignment: 4
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legalized: true
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regBankSelected: true
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tracksRegLiveness: true
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body: |
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; CHECK-LABEL: name: test_128_fpr_truncation
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; CHECK: bb.0:
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; CHECK: successors: %bb.1(0x80000000)
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; CHECK: liveins: $x0
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; CHECK: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0
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; CHECK: [[LDRQui:%[0-9]+]]:fpr128 = LDRQui [[COPY]], 0 :: (load 16)
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; CHECK: [[COPY1:%[0-9]+]]:gpr32all = COPY [[LDRQui]].ssub
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; CHECK: [[COPY2:%[0-9]+]]:gpr32 = COPY [[COPY1]]
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; CHECK: TBNZW [[COPY2]], 0, %bb.1
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; CHECK: bb.1:
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; CHECK: RET_ReallyLR
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bb.0:
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liveins: $x0
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%1:gpr(p0) = COPY $x0
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%3:gpr(s64) = G_CONSTANT i64 1
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%5:gpr(s64) = G_CONSTANT i64 0
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%0:fpr(s128) = G_LOAD %1:gpr(p0) :: (load 16)
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%2:fpr(s64) = G_TRUNC %0:fpr(s128)
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%8:gpr(s64) = COPY %2:fpr(s64)
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%4:gpr(s64) = G_AND %8:gpr, %3:gpr
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%7:gpr(s32) = G_ICMP intpred(ne), %4:gpr(s64), %5:gpr
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%6:gpr(s1) = G_TRUNC %7:gpr(s32)
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G_BRCOND %6:gpr(s1), %bb.1
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bb.1:
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RET_ReallyLR
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...
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---
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name: no_trunc
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alignment: 4
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legalized: true
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regBankSelected: true
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tracksRegLiveness: true
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body: |
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; CHECK-LABEL: name: no_trunc
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; CHECK: bb.0:
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; CHECK: successors: %bb.1(0x80000000)
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; CHECK: liveins: $x0
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; CHECK: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0
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; CHECK: [[LDRQui:%[0-9]+]]:fpr128 = LDRQui [[COPY]], 0 :: (load 16)
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; CHECK: [[COPY1:%[0-9]+]]:gpr64all = COPY [[LDRQui]].dsub
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; CHECK: [[COPY2:%[0-9]+]]:gpr64 = COPY [[COPY1]]
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; CHECK: TBNZX [[COPY2]], 33, %bb.1
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; CHECK: bb.1:
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; CHECK: RET_ReallyLR
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bb.0:
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liveins: $x0
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%1:gpr(p0) = COPY $x0
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%3:gpr(s64) = G_CONSTANT i64 8589934592
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%5:gpr(s64) = G_CONSTANT i64 0
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%0:fpr(s128) = G_LOAD %1:gpr(p0) :: (load 16)
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%2:fpr(s64) = G_TRUNC %0:fpr(s128)
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%8:gpr(s64) = COPY %2:fpr(s64)
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%4:gpr(s64) = G_AND %8:gpr, %3:gpr
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%7:gpr(s32) = G_ICMP intpred(ne), %4:gpr(s64), %5:gpr
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%6:gpr(s1) = G_TRUNC %7:gpr(s32)
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G_BRCOND %6:gpr(s1), %bb.1
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bb.1:
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RET_ReallyLR
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