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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple=aarch64-apple-ios -run-pass=regbankselect -verify-machineinstrs %s -o - | FileCheck %s -check-prefix=CHECK
--- |
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
@var_fp = global float 0.0
@var_int = global i32 0
define float @fp_load_phi() { ret float undef }
define i32 @int_load_phi() { ret i32 undef }
...
---
name: fp_load_phi
legalized: true
regBankSelected: false
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: fp_load_phi
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: liveins: $w0
; CHECK: [[COPY:%[0-9]+]]:gpr(s32) = COPY $w0
; CHECK: [[GV:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @var_fp
; CHECK: %fp_load:fpr(s32) = G_LOAD [[GV]](p0) :: (load (s32) from @var_fp)
; CHECK: bb.1:
; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK: [[PHI:%[0-9]+]]:fpr(s32) = PHI %fp_load(s32), %bb.0, [[PHI]](s32), %bb.1
; CHECK: G_BRCOND [[COPY]](s32), %bb.1
; CHECK: bb.2:
; CHECK: $s0 = COPY [[PHI]](s32)
; CHECK: RET_ReallyLR implicit $s0
; Here we're checking that the load is assigned an FPR bank, since it's
; loading from an fp type in the IR.
bb.0:
liveins: $w0
successors: %bb.1
%0:_(s32) = COPY $w0
%1:_(p0) = G_GLOBAL_VALUE @var_fp
%fp_load:_(s32) = G_LOAD %1 :: (load 4 from @var_fp)
bb.1:
successors: %bb.1, %bb.2
%2:_(s32) = PHI %fp_load, %bb.0, %2, %bb.1
G_BRCOND %0, %bb.1
bb.2:
$s0 = COPY %2
RET_ReallyLR implicit $s0
...
---
name: int_load_phi
legalized: true
regBankSelected: false
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: int_load_phi
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: liveins: $w0
; CHECK: [[COPY:%[0-9]+]]:gpr(s32) = COPY $w0
; CHECK: [[GV:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @var_fp
; CHECK: %fp_load:gpr(s32) = G_LOAD [[GV]](p0) :: (load (s32) from @var_int)
; CHECK: bb.1:
; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK: [[PHI:%[0-9]+]]:gpr(s32) = PHI %fp_load(s32), %bb.0, [[PHI]](s32), %bb.1
; CHECK: G_BRCOND [[COPY]](s32), %bb.1
; CHECK: bb.2:
; CHECK: $s0 = COPY [[PHI]](s32)
; CHECK: RET_ReallyLR implicit $s0
bb.0:
liveins: $w0
successors: %bb.1
%0:_(s32) = COPY $w0
%1:_(p0) = G_GLOBAL_VALUE @var_fp
%fp_load:_(s32) = G_LOAD %1 :: (load 4 from @var_int)
bb.1:
successors: %bb.1, %bb.2
%2:_(s32) = PHI %fp_load, %bb.0, %2, %bb.1
G_BRCOND %0, %bb.1
bb.2:
$s0 = COPY %2
RET_ReallyLR implicit $s0
...
|
