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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/fast-isel-sp-adjust.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

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; RUN: llc -O0 -fast-isel -mtriple=aarch64-apple-ios -o - %s | FileCheck %s
; RUN: not llc -O0 -mtriple=aarch64-apple-ios -o /dev/null -fast-isel -fast-isel-abort=3 %s 2> %t
; RUN: FileCheck %s --check-prefix=CHECK-ERRORS < %t
; The issue here is that FastISel cannot emit an ADDrr where one of the inputs
; is SP. This only ever crops up with function calls, and then only if the
; argument is at an offset > 2^12 * size from SP.
; If FastISel ever starts coping with this and emits an "add xD, sp, xM" it's
; critical to check the encoding as well as the textual assembly. An ADDXrs with
; SP as an operand will still print with SP, but will actually mean XZR.
; CHECK-ERRORS: LLVM ERROR: FastISel missed call
; CHECK-LABEL: foo:
; CHECK: sub
; CHECK-DAG: mov x[[SP:[0-9]+]], sp
; CHECK-DAG: mov w[[OFFSET:[0-9]+]], #4104
; CHECK: strb w0, [x[[SP]], x[[OFFSET]]]
define void @foo(i8 %in) {
call void @bar(i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef, ; All regs gone.
i64 undef, i64 undef, i64 undef, i64 undef, ; sp + 32
i64 undef, i64 undef, i64 undef, i64 undef, ; sp + 64
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef, ; sp + 128
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef, ; sp + 256
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef, ; sp + 512
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef, ; sp + 1024
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef, ; sp + 2048
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef,
i64 undef, i64 undef, i64 undef, i64 undef, ; sp + 4096
i64 undef, ; sp + 4104 (i.e. not uimm12 or uimm12 << 12).
i8 %in)
ret void
}
declare void @bar(i64, i64, i64, i64,
i64, i64, i64, i64, ; All regs gone.
i64, i64, i64, i64, ; sp + 32
i64, i64, i64, i64, ; sp + 64
i64, i64, i64, i64,
i64, i64, i64, i64, ; sp + 128
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64, ; sp + 256
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64, ; sp + 512
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64, ; sp + 1024
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64, ; sp + 2048
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64,
i64, i64, i64, i64, ; sp + 4096
i64,
i8)
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