1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
|
# RUN: llc -o /dev/null %s -mtriple=aarch64-apple-ios -run-pass=aarch64-collect-loh -debug-only=aarch64-collect-loh 2>&1 | FileCheck %s --implicit-check-not=MCLOH_
# REQUIRES: asserts
# Check that we don't emit LOHs when there is a clobbering def of x8.
--- |
@sym2 = local_unnamed_addr global [10000000 x i32] zeroinitializer, align 8
@sym = local_unnamed_addr global i32 zeroinitializer, align 8
define i32 @adrp_add_ldr() { ret i32 0 }
define i32 @adrp_add_str() { ret i32 0 }
...
---
name: adrp_add_ldr
alignment: 4
tracksRegLiveness: true
liveins:
- { reg: '$x21', virtual-reg: '' }
body: |
bb.0:
liveins: $x21
renamable $x8 = ADRP target-flags(aarch64-page) @sym
renamable $x9 = ADDXri killed renamable $x8, target-flags(aarch64-pageoff, aarch64-nc) @sym, 0
renamable $x8 = ADDXri killed renamable $x21, 1, 0
$x9 = LDRXui $x9, 0
RET undef $lr
...
---
name: adrp_add_str
alignment: 4
tracksRegLiveness: true
liveins:
- { reg: '$x22', virtual-reg: '' }
- { reg: '$x21', virtual-reg: '' }
body: |
bb.0:
liveins: $x21, $x22
renamable $x8 = ADRP target-flags(aarch64-page) @sym
renamable $x9 = ADDXri killed renamable $x8, target-flags(aarch64-pageoff, aarch64-nc) @sym, 0
renamable $x8 = ADDXri killed renamable $x21, 1, 0
STRXui $x22, $x9, 0
RET undef $lr
...
|