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d4c615be8c
Discussed here: http://lists.llvm.org/pipermail/llvm-dev/2018-January/120320.html In preparation for adding support for named vregs we are changing the sigil for physical registers in MIR to '$' from '%'. This will prevent name clashes of named physical register with named vregs. llvm-svn: 323922
35 lines
1.1 KiB
YAML
35 lines
1.1 KiB
YAML
# RUN: llc -march=hexagon -post-RA-scheduler -run-pass post-RA-sched %s -o - | FileCheck %s
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--- |
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declare void @check(i64, i32, i32, i64)
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define void @foo() {
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ret void
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}
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...
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---
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name: foo
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tracksRegLiveness: true
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body: |
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bb.0:
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successors:
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liveins: $r0, $r1, $d1, $d2, $r16, $r17, $r19, $r22, $r23
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$r2 = A2_add $r23, killed $r17
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$r6 = M2_mpyi $r16, $r16
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$r22 = M2_accii $r22, killed $r2, 2
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$r7 = A2_tfrsi 12345678
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$r3 = A2_tfr killed $r16
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$d2 = A2_tfrp killed $d0
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$r2 = L2_loadri_io $r29, 28
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$r2 = M2_mpyi killed $r6, killed $r2
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$r23 = S2_asr_i_r $r22, 31
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S2_storeri_io killed $r29, 0, killed $r7
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; The anti-dependency on r23 between the first A2_add and the
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; S2_asr_i_r was causing d11 to be renamed, while r22 remained
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; unchanged. Check that the renaming of d11 does not happen.
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; CHECK: d11
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$d0 = A2_tfrp killed $d11
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J2_call @check, implicit-def $d0, implicit-def $d1, implicit-def $d2, implicit $d0, implicit $d1, implicit $d2
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...
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