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# RUN: llc -o - %s -mtriple=aarch64-apple-ios -run-pass=aarch64-collect-loh -debug-only=aarch64-collect-loh 2>&1 | FileCheck %s
# REQUIRES: asserts
--- |
@rrdpb = local_unnamed_addr global i32 zeroinitializer, align 8
define internal void @test_use_between() {
ret void
}
define internal void @test_no_use_between() {
ret void
}
...
# CHECK-LABEL: ********** AArch64 Collect LOH **********
# CHECK-LABEL: Looking in function test_use_between
# Check that we don't have an AdrpAdd LOH because there's a use of the ADD defreg
# in between the two.
# CHECK-NOT: MCLOH_AdrpAdd
# CHECK-LABEL: Looking in function test_no_use_between
# CHECK: MCLOH_AdrpAdd
---
name: test_use_between
alignment: 4
tracksRegLiveness: true
liveins:
- { reg: '$x11', virtual-reg: '' }
- { reg: '$x12', virtual-reg: '' }
body: |
bb.0:
liveins: $x11, $x12
renamable $x15 = ADRP target-flags(aarch64-page) @rrdpb
STRXui renamable $x12, killed renamable $x11, 1 :: (store (s64))
renamable $x11 = ADDXri killed renamable $x15, target-flags(aarch64-pageoff, aarch64-nc) @rrdpb, 0
STRXui renamable $x11, killed renamable $x11, 0
RET undef $lr
...
---
name: test_no_use_between
alignment: 4
tracksRegLiveness: true
liveins:
- { reg: '$x11', virtual-reg: '' }
- { reg: '$x12', virtual-reg: '' }
body: |
bb.0:
liveins: $x11, $x12
STRXui renamable $x12, killed renamable $x11, 1 :: (store (s64))
renamable $x15 = ADRP target-flags(aarch64-page) @rrdpb
renamable $x11 = ADDXri killed renamable $x15, target-flags(aarch64-pageoff, aarch64-nc) @rrdpb, 0
STRXui renamable $x11, killed renamable $x11, 0
RET undef $lr
...
|
