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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/GlobalISel/select-atomic-load-store.mir
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

63 lines
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64-- -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
--- |
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64"
define i8 @load_acq_i8(ptr %ptr) {
%v = load atomic i8, ptr %ptr acquire, align 8
ret i8 %v
}
define i32 @anyext_load_monotonic_i32() {
%v = load atomic i32, ptr null monotonic, align 4
ret i32 %v
}
...
---
name: load_acq_i8
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
liveins:
- { reg: '$x0' }
machineFunctionInfo: {}
body: |
bb.1:
liveins: $x0
; CHECK-LABEL: name: load_acq_i8
; CHECK: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64sp = COPY $x0
; CHECK-NEXT: [[LDARB:%[0-9]+]]:gpr32 = LDARB [[COPY]] :: (load acquire (s8) from %ir.ptr, align 8)
; CHECK-NEXT: $w0 = COPY [[LDARB]]
; CHECK-NEXT: RET_ReallyLR implicit $w0
%0:gpr(p0) = COPY $x0
%2:gpr(s32) = G_LOAD %0(p0) :: (load acquire (s8) from %ir.ptr, align 8)
$w0 = COPY %2(s32)
RET_ReallyLR implicit $w0
...
---
name: anyext_load_monotonic_i32
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.1:
; CHECK-LABEL: name: anyext_load_monotonic_i32
; CHECK: [[COPY:%[0-9]+]]:gpr64common = COPY $xzr
; CHECK-NEXT: [[LDRWui:%[0-9]+]]:gpr32 = LDRWui [[COPY]], 0 :: (load monotonic (s32) from `ptr null`)
; CHECK-NEXT: %ld:gpr64all = SUBREG_TO_REG [[LDRWui]], %subreg.sub_32
; CHECK-NEXT: $x0 = COPY %ld
; CHECK-NEXT: RET_ReallyLR implicit $x0
%1:gpr(p0) = G_CONSTANT i64 0
%ld:gpr(s64) = G_LOAD %1(p0) :: (load monotonic (s32) from `ptr null`)
$x0 = COPY %ld(s64)
RET_ReallyLR implicit $x0
...