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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

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# RUN: llc -mtriple=hexagon -run-pass if-converter -verify-machineinstrs -o - %s | FileCheck %s
# CHECK-LABEL: name: foo
# CHECK: $p0 = C2_cmpeqi $r16, 0
# Make sure there is no implicit use of r1.
# CHECK: $r1 = L2_ploadruhf_io $p0, $r29, 6
--- |
define void @foo() {
ret void
}
...
---
name: foo
tracksRegLiveness: true
body: |
bb.0:
liveins: $r0, $r16
successors: %bb.1, %bb.2
$p0 = C2_cmpeqi $r16, 0
J2_jumpt $p0, %bb.2, implicit-def $pc
bb.1:
; The lane mask $d0:0002 is equivalent to $r0. LivePhysRegs would ignore
; it and treat it as the whole $d0, which is a pair $r1, $r0. The extra
; $r1 would cause an (undefined) implicit use to be added during
; if-conversion.
liveins: $d0:0x00000002, $d15:0x00000001, $r16
successors: %bb.2
$r1 = L2_loadruh_io $r29, 6
S2_storeri_io killed $r16, 0, $r1
bb.2:
liveins: $r0
$d8 = L2_loadrd_io $r29, 8
$d15 = L4_return $r29, implicit-def $r29, implicit-def $pc, implicit $r30, implicit $framekey