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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/elf-globals-pic.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

71 lines
2.0 KiB
LLVM

; RUN: llc -mtriple=arm64 -relocation-model=pic -o - %s -mcpu=cyclone | FileCheck %s --check-prefix=CHECK
; RUN: llc -mtriple=arm64 -O0 -fast-isel -relocation-model=pic -o - %s -mcpu=cyclone | FileCheck %s --check-prefix=CHECK-FAST
@var8 = external global i8, align 1
@var16 = external global i16, align 2
@var32 = external global i32, align 4
@var64 = external global i64, align 8
define i8 @test_i8(i8 %new) {
%val = load i8, ptr @var8, align 1
store i8 %new, ptr @var8
ret i8 %val
; CHECK-LABEL: test_i8:
; CHECK: adrp x[[HIREG:[0-9]+]], :got:var8
; CHECK-NEXT: ldr x[[VAR_ADDR:[0-9]+]], [x[[HIREG]], :got_lo12:var8]
; CHECK-NEXT: ldrb {{w[0-9]+}}, [x[[VAR_ADDR]]]
; CHECK-FAST: adrp x[[HIREG:[0-9]+]], :got:var8
; CHECK-FAST-NEXT: ldr x[[VARADDR:[0-9]+]], [x[[HIREG]], :got_lo12:var8]
; CHECK-FAST-NEXT: ldrb {{w[0-9]+}}, [x[[VARADDR]]]
}
define i16 @test_i16(i16 %new) {
%val = load i16, ptr @var16, align 2
store i16 %new, ptr @var16
ret i16 %val
}
define i32 @test_i32(i32 %new) {
%val = load i32, ptr @var32, align 4
store i32 %new, ptr @var32
ret i32 %val
}
define i64 @test_i64(i64 %new) {
%val = load i64, ptr @var64, align 8
store i64 %new, ptr @var64
ret i64 %val
}
define ptr @test_addr() {
ret ptr @var64
}
@hiddenvar = hidden global i32 0, align 4
@protectedvar = protected global i32 0, align 4
define i32 @test_vis() {
%lhs = load i32, ptr @hiddenvar, align 4
%rhs = load i32, ptr @protectedvar, align 4
%ret = add i32 %lhs, %rhs
ret i32 %ret
; CHECK-LABEL: test_vis:
; CHECK: adrp {{x[0-9]+}}, hiddenvar
; CHECK-NEXT: ldr {{w[0-9]+}}, [{{x[0-9]+}}, :lo12:hiddenvar]
; CHECK-NEXT: adrp {{x[0-9]+}}, protectedvar
; CHECK-NEXT: ldr {{w[0-9]+}}, [{{x[0-9]+}}, :lo12:protectedvar]
}
@var_default = external global [2 x i32]
define i32 @test_default_align() {
%val = load i32, ptr @var_default
ret i32 %val
}
define i64 @test_default_unaligned() {
%val = load i64, ptr @var_default
ret i64 %val
}