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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=aarch64-unknown-linux-gnu -reserve-regs-for-regalloc=LR,FP,X28,X27,X26,X25,X24,X23,X22,X21,X20,X19,X18,X17,X16,X15,X14,X13,X12,X11,X10,X9,X8,X7,X6,X5,X4 | FileCheck %s
; RUN: llc < %s -mtriple=aarch64-unknown-linux-gnu -reserve-regs-for-regalloc=X30,X29,X28,X27,X26,X25,X24,X23,X22,X21,X20,X19,X18,X17,X16,X15,X14,X13,X12,X11,X10,X9,X8,X7,X6,X5,X4 | FileCheck %s
; LR, FP, X30 and X29 should be correctly recognized and not used.
define void @foo(i64 %v1, i64 %v2, ptr %ptr) {
; CHECK-LABEL: foo:
; CHECK: // %bb.0:
; CHECK-NEXT: sub sp, sp, #16
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: add x3, x0, x1
; CHECK-NEXT: str x3, [sp, #8] // 8-byte Folded Spill
; CHECK-NEXT: str x3, [x2, #8]
; CHECK-NEXT: ldr x3, [x2, #16]
; CHECK-NEXT: add x3, x0, x3
; CHECK-NEXT: sub x3, x3, x1
; CHECK-NEXT: str x3, [x2, #16]
; CHECK-NEXT: ldr x3, [sp, #8] // 8-byte Folded Reload
; CHECK-NEXT: str x3, [x2, #24]
; CHECK-NEXT: str x0, [x2, #32]
; CHECK-NEXT: str x1, [x2, #40]
; CHECK-NEXT: add sp, sp, #16
; CHECK-NEXT: ret
%v3 = add i64 %v1, %v2
%p1 = getelementptr i64, ptr %ptr, i64 1
store volatile i64 %v3, ptr %p1, align 8
%p2 = getelementptr i64, ptr %ptr, i64 2
%v4 = load volatile i64, ptr %p2, align 8
%v5 = add i64 %v1, %v4
%v6 = sub i64 %v5, %v2
store volatile i64 %v6, ptr %p2, align 8
%p3 = getelementptr i64, ptr %ptr, i64 3
store volatile i64 %v3, ptr %p3, align 8
%p4 = getelementptr i64, ptr %ptr, i64 4
store volatile i64 %v1, ptr %p4, align 8
%p5 = getelementptr i64, ptr %ptr, i64 5
store volatile i64 %v2, ptr %p5, align 8
ret void
}
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