50 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 52; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sme -O0 < %s | FileCheck %s3 4; Example of locally streaming function that (at -O0) must preserve the LR (X30)5; before calling __arm_get_current_vg.6define void @foo() "aarch64_pstate_sm_body" {7; CHECK-LABEL: foo:8; CHECK: // %bb.0:9; CHECK-NEXT: stp d15, d14, [sp, #-96]! // 16-byte Folded Spill10; CHECK-NEXT: .cfi_def_cfa_offset 9611; CHECK-NEXT: stp d13, d12, [sp, #16] // 16-byte Folded Spill12; CHECK-NEXT: stp d11, d10, [sp, #32] // 16-byte Folded Spill13; CHECK-NEXT: stp d9, d8, [sp, #48] // 16-byte Folded Spill14; CHECK-NEXT: stp x29, x30, [sp, #64] // 16-byte Folded Spill15; CHECK-NEXT: bl __arm_get_current_vg16; CHECK-NEXT: str x0, [sp, #80] // 8-byte Spill17; CHECK-NEXT: .cfi_offset vg, -1618; CHECK-NEXT: .cfi_offset w30, -2419; CHECK-NEXT: .cfi_offset w29, -3220; CHECK-NEXT: .cfi_offset b8, -4021; CHECK-NEXT: .cfi_offset b9, -4822; CHECK-NEXT: .cfi_offset b10, -5623; CHECK-NEXT: .cfi_offset b11, -6424; CHECK-NEXT: .cfi_offset b12, -7225; CHECK-NEXT: .cfi_offset b13, -8026; CHECK-NEXT: .cfi_offset b14, -8827; CHECK-NEXT: .cfi_offset b15, -9628; CHECK-NEXT: smstart sm29; CHECK-NEXT: smstop sm30; CHECK-NEXT: ldp x29, x30, [sp, #64] // 16-byte Folded Reload31; CHECK-NEXT: ldp d9, d8, [sp, #48] // 16-byte Folded Reload32; CHECK-NEXT: ldp d11, d10, [sp, #32] // 16-byte Folded Reload33; CHECK-NEXT: ldp d13, d12, [sp, #16] // 16-byte Folded Reload34; CHECK-NEXT: ldp d15, d14, [sp], #96 // 16-byte Folded Reload35; CHECK-NEXT: .cfi_def_cfa_offset 036; CHECK-NEXT: .cfi_restore vg37; CHECK-NEXT: .cfi_restore w3038; CHECK-NEXT: .cfi_restore w2939; CHECK-NEXT: .cfi_restore b840; CHECK-NEXT: .cfi_restore b941; CHECK-NEXT: .cfi_restore b1042; CHECK-NEXT: .cfi_restore b1143; CHECK-NEXT: .cfi_restore b1244; CHECK-NEXT: .cfi_restore b1345; CHECK-NEXT: .cfi_restore b1446; CHECK-NEXT: .cfi_restore b1547; CHECK-NEXT: ret48 ret void49}50