mirror of
https://github.com/c64scene-ar/llvm-6502.git
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7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
136 lines
4.5 KiB
LLVM
136 lines
4.5 KiB
LLVM
; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -verify-machineinstrs < %s | FileCheck %s
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; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -filetype=obj < %s | llvm-objdump -r - | FileCheck --check-prefix=CHECK-RELOC %s
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@general_dynamic_var = external thread_local global i32
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define i32 @test_generaldynamic() {
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; CHECK-LABEL: test_generaldynamic:
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%val = load i32, i32* @general_dynamic_var
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ret i32 %val
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; FIXME: the adrp instructions are redundant (if harmless).
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; CHECK: adrp [[TLSDESC_HI:x[0-9]+]], :tlsdesc:general_dynamic_var
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; CHECK: add x0, [[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var
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; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:general_dynamic_var
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; CHECK: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var]
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; CHECK: .tlsdesccall general_dynamic_var
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; CHECK-NEXT: blr [[CALLEE]]
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; CHECK: mrs x[[TP:[0-9]+]], TPIDR_EL0
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; CHECK: ldr w0, [x[[TP]], x0]
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; CHECK-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
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; CHECK-RELOC: R_AARCH64_TLSDESC_ADD_LO12_NC
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; CHECK-RELOC: R_AARCH64_TLSDESC_LD64_LO12_NC
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; CHECK-RELOC: R_AARCH64_TLSDESC_CALL
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}
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define i32* @test_generaldynamic_addr() {
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; CHECK-LABEL: test_generaldynamic_addr:
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ret i32* @general_dynamic_var
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; FIXME: the adrp instructions are redundant (if harmless).
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; CHECK: adrp [[TLSDESC_HI:x[0-9]+]], :tlsdesc:general_dynamic_var
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; CHECK: add x0, [[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var
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; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:general_dynamic_var
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; CHECK: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var]
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; CHECK: .tlsdesccall general_dynamic_var
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; CHECK-NEXT: blr [[CALLEE]]
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; CHECK: mrs [[TP:x[0-9]+]], TPIDR_EL0
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; CHECK: add x0, [[TP]], x0
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; CHECK-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
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; CHECK-RELOC: R_AARCH64_TLSDESC_ADD_LO12_NC
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; CHECK-RELOC: R_AARCH64_TLSDESC_LD64_LO12_NC
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; CHECK-RELOC: R_AARCH64_TLSDESC_CALL
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}
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@local_dynamic_var = external thread_local(localdynamic) global i32
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define i32 @test_localdynamic() {
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; CHECK-LABEL: test_localdynamic:
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%val = load i32, i32* @local_dynamic_var
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ret i32 %val
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; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:_TLS_MODULE_BASE_
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; CHECK: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_
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; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:_TLS_MODULE_BASE_
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; CHECK: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_]
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; CHECK: .tlsdesccall _TLS_MODULE_BASE_
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; CHECK-NEXT: blr [[CALLEE]]
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; CHECK: movz [[DTP_OFFSET:x[0-9]+]], #:dtprel_g1:local_dynamic_var
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; CHECK: movk [[DTP_OFFSET]], #:dtprel_g0_nc:local_dynamic_var
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; CHECK: add x[[TPREL:[0-9]+]], x0, [[DTP_OFFSET]]
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; CHECK: mrs x[[TPIDR:[0-9]+]], TPIDR_EL0
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; CHECK: ldr w0, [x[[TPIDR]], x[[TPREL]]]
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; CHECK-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
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; CHECK-RELOC: R_AARCH64_TLSDESC_ADD_LO12_NC
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; CHECK-RELOC: R_AARCH64_TLSDESC_LD64_LO12_NC
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; CHECK-RELOC: R_AARCH64_TLSDESC_CALL
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}
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define i32* @test_localdynamic_addr() {
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; CHECK-LABEL: test_localdynamic_addr:
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ret i32* @local_dynamic_var
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; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:_TLS_MODULE_BASE_
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; CHECK: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_
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; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:_TLS_MODULE_BASE_
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; CHECK: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_]
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; CHECK: .tlsdesccall _TLS_MODULE_BASE_
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; CHECK-NEXT: blr [[CALLEE]]
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; CHECK: movz [[DTP_OFFSET:x[0-9]+]], #:dtprel_g1:local_dynamic_var
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; CHECK: movk [[DTP_OFFSET]], #:dtprel_g0_nc:local_dynamic_var
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; CHECK: add [[TPREL:x[0-9]+]], x0, [[DTP_OFFSET]]
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; CHECK: mrs [[TPIDR:x[0-9]+]], TPIDR_EL0
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; CHECK: add x0, [[TPIDR]], [[TPREL]]
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; CHECK-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
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; CHECK-RELOC: R_AARCH64_TLSDESC_ADD_LO12_NC
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; CHECK-RELOC: R_AARCH64_TLSDESC_LD64_LO12_NC
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; CHECK-RELOC: R_AARCH64_TLSDESC_CALL
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}
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; The entire point of the local-dynamic access model is to have a single call to
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; the expensive resolver. Make sure we achieve that goal.
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@local_dynamic_var2 = external thread_local(localdynamic) global i32
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define i32 @test_localdynamic_deduplicate() {
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; CHECK-LABEL: test_localdynamic_deduplicate:
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%val = load i32, i32* @local_dynamic_var
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%val2 = load i32, i32* @local_dynamic_var2
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%sum = add i32 %val, %val2
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ret i32 %sum
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; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:_TLS_MODULE_BASE_
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; CHECK: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_
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; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:_TLS_MODULE_BASE_
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; CHECK: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_]
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; CHECK: .tlsdesccall _TLS_MODULE_BASE_
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; CHECK-NEXT: blr [[CALLEE]]
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; CHECK-NOT: _TLS_MODULE_BASE_
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; CHECK: ret
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}
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