thumb-select-globals-static.mir
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# RUN: llc -O0 -mtriple thumb-linux -mattr=+v6t2 -relocation-model=static -mattr=+no-movt -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,ELF-NOMOVT
# RUN: llc -O0 -mtriple thumb-linux -mattr=+v6t2 -relocation-model=static -mattr=-no-movt,+v8m -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,ELF-MOVT
# RUN: llc -O0 -mtriple thumb-darwin -mattr=+v6t2 -relocation-model=static -mattr=+no-movt -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,DARWIN-NOMOVT
# RUN: llc -O0 -mtriple thumb-darwin -mattr=+v6t2 -relocation-model=static -mattr=-no-movt,+v8m -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,DARWIN-MOVT
--- |
@internal_global = internal global i32 42
define void @test_internal_global() { ret void }
@external_global = external global i32
define void @test_external_global() { ret void }
...
---
name: test_internal_global
# CHECK-LABEL: name: test_internal_global
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: gprb }
- { id: 1, class: gprb }
# ELF-NOMOVT: constants:
# ELF-NOMOVT: id: 0
# ELF-NOMOVT: value: 'i32* @internal_global'
body: |
bb.0:
%0(p0) = G_GLOBAL_VALUE @internal_global
; ELF-MOVT: [[G:%[0-9]+]]:rgpr = t2MOVi32imm @internal_global
; ELF-NOMOVT: [[G:%[0-9]+]]:gpr = t2LDRpci %const.0, 14, $noreg :: (load 4 from constant-pool)
; DARWIN-MOVT: [[G:%[0-9]+]]:rgpr = t2MOVi32imm @internal_global
; DARWIN-NOMOVT: [[G:%[0-9]+]]:tgpr = tLDRLIT_ga_abs @internal_global
%1(s32) = G_LOAD %0(p0) :: (load 4 from @internal_global)
; CHECK: [[V:%[0-9]+]]:gpr = t2LDRi12 [[G]], 0, 14, $noreg :: (load 4 from @internal_global)
$r0 = COPY %1(s32)
; CHECK: $r0 = COPY [[V]]
tBX_RET 14, $noreg, implicit $r0
; CHECK: tBX_RET 14, $noreg, implicit $r0
...
---
name: test_external_global
# CHECK-LABEL: name: test_external_global
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: gprb }
- { id: 1, class: gprb }
# ELF-NOMOVT: constants:
# ELF-NOMOVT: id: 0
# ELF-NOMOVT: value: 'i32* @external_global'
body: |
bb.0:
%0(p0) = G_GLOBAL_VALUE @external_global
; ELF-MOVT: [[G:%[0-9]+]]:rgpr = t2MOVi32imm @external_global
; ELF-NOMOVT: [[G:%[0-9]+]]:gpr = t2LDRpci %const.0, 14, $noreg :: (load 4 from constant-pool)
; DARWIN-MOVT: [[G:%[0-9]+]]:rgpr = t2MOVi32imm @external_global
; DARWIN-NOMOVT: [[G:%[0-9]+]]:tgpr = tLDRLIT_ga_abs @external_global
%1(s32) = G_LOAD %0(p0) :: (load 4 from @external_global)
; CHECK: [[V:%[0-9]+]]:gpr = t2LDRi12 [[G]], 0, 14, $noreg :: (load 4 from @external_global)
$r0 = COPY %1(s32)
; CHECK: $r0 = COPY [[V]]
tBX_RET 14, $noreg, implicit $r0
; CHECK: tBX_RET 14, $noreg, implicit $r0
...