| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -O0 -run-pass=legalizer %s -o - | FileCheck %s |
| # RUN: llc -O0 -run-pass=legalizer --code-model=large %s -o - | FileCheck %s --check-prefix=CMLARGE |
| |
| --- | |
| target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64--" |
| @var = external dso_local global i8 |
| define i8* @test_global() { ret i8* undef } |
| define i8* @test_global_with_offset() { ret i8* undef } |
| ... |
| --- |
| name: test_global |
| registers: |
| - { id: 0, class: _ } |
| body: | |
| bb.0: |
| |
| ; We don't want to lower to G_ADD_LOW when we need a GOT access, or when the code |
| ; model isn't 'Small'. |
| ; CHECK-LABEL: name: test_global |
| ; CHECK: [[ADRP:%[0-9]+]]:gpr64(p0) = ADRP target-flags(aarch64-page) @var |
| ; CHECK: [[ADD_LOW:%[0-9]+]]:_(p0) = G_ADD_LOW [[ADRP]](p0), target-flags(aarch64-pageoff, aarch64-nc) @var |
| ; CHECK: [[PTRTOINT:%[0-9]+]]:_(s64) = G_PTRTOINT [[ADD_LOW]](p0) |
| ; CHECK: $x0 = COPY [[PTRTOINT]](s64) |
| ; CMLARGE-LABEL: name: test_global |
| ; CMLARGE: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var |
| ; CMLARGE: [[PTRTOINT:%[0-9]+]]:_(s64) = G_PTRTOINT [[GV]](p0) |
| ; CMLARGE: $x0 = COPY [[PTRTOINT]](s64) |
| %0(p0) = G_GLOBAL_VALUE @var |
| %1:_(s64) = G_PTRTOINT %0 |
| $x0 = COPY %1 |
| ... |
| --- |
| name: test_global_with_offset |
| body: | |
| bb.0: |
| ; When we legalize into ADRP + G_ADD_LOW, both should inherit the offset |
| ; from the original G_GLOBAL_VALUE. |
| ; |
| ; CHECK-LABEL: name: test_global_with_offset |
| ; CHECK: [[ADRP:%[0-9]+]]:gpr64(p0) = ADRP target-flags(aarch64-page) @var + 1 |
| ; CHECK: [[ADD_LOW:%[0-9]+]]:_(p0) = G_ADD_LOW [[ADRP]](p0), target-flags(aarch64-pageoff, aarch64-nc) @var + 1 |
| ; CHECK: [[PTRTOINT:%[0-9]+]]:_(s64) = G_PTRTOINT [[ADD_LOW]](p0) |
| ; CHECK: $x0 = COPY [[PTRTOINT]](s64) |
| ; CMLARGE-LABEL: name: test_global_with_offset |
| ; CMLARGE: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var + 1 |
| ; CMLARGE: [[PTRTOINT:%[0-9]+]]:_(s64) = G_PTRTOINT [[GV]](p0) |
| ; CMLARGE: $x0 = COPY [[PTRTOINT]](s64) |
| %0:_(p0) = G_GLOBAL_VALUE @var + 1 |
| %1:_(s64) = G_PTRTOINT %0 |
| $x0 = COPY %1 |
| ... |