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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; 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 %s3; 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 %s4 5; LR, FP, X30 and X29 should be correctly recognized and not used.6 7define void @foo(i64 %v1, i64 %v2, ptr %ptr) {8; CHECK-LABEL: foo:9; CHECK: // %bb.0:10; CHECK-NEXT: add x3, x0, x111; CHECK-NEXT: str x3, [x2, #8]12; CHECK-NEXT: ldr x3, [x2, #16]13; CHECK-NEXT: add x3, x0, x314; CHECK-NEXT: sub x3, x3, x115; CHECK-NEXT: str x3, [x2, #16]16; CHECK-NEXT: add x3, x0, x117; CHECK-NEXT: str x3, [x2, #24]18; CHECK-NEXT: str x0, [x2, #32]19; CHECK-NEXT: str x1, [x2, #40]20; CHECK-NEXT: ret21 %v3 = add i64 %v1, %v222 %p1 = getelementptr i64, ptr %ptr, i64 123 store volatile i64 %v3, ptr %p1, align 824 25 %p2 = getelementptr i64, ptr %ptr, i64 226 %v4 = load volatile i64, ptr %p2, align 827 %v5 = add i64 %v1, %v428 %v6 = sub i64 %v5, %v229 store volatile i64 %v6, ptr %p2, align 830 31 %p3 = getelementptr i64, ptr %ptr, i64 332 store volatile i64 %v3, ptr %p3, align 833 34 %p4 = getelementptr i64, ptr %ptr, i64 435 store volatile i64 %v1, ptr %p4, align 836 %p5 = getelementptr i64, ptr %ptr, i64 537 store volatile i64 %v2, ptr %p5, align 838 ret void39}40