341 lines
12 KiB
LLVM
341 lines
12 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck %s
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=znver1 | FileCheck --check-prefix=CHECK-AMD %s
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; Check that we get a fast sequence of nops on each platform.
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define void @nop_test() {
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; CHECK-LABEL: nop_test:
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; CHECK: ## %bb.0: ## %entry
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; CHECK-NEXT: pushq %rbp
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: .cfi_offset %rbp, -16
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; CHECK-NEXT: movq %rsp, %rbp
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; CHECK-NEXT: .cfi_def_cfa_register %rbp
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; CHECK-NEXT: Ltmp0:
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; CHECK-NEXT: Ltmp1:
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; CHECK-NEXT: nop
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; CHECK-NEXT: Ltmp2:
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; CHECK-NEXT: xchgw %ax, %ax
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; CHECK-NEXT: Ltmp3:
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; CHECK-NEXT: nopl (%rax)
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; CHECK-NEXT: Ltmp4:
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; CHECK-NEXT: nopl 8(%rax)
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; CHECK-NEXT: Ltmp5:
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; CHECK-NEXT: nopl 8(%rax,%rax)
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; CHECK-NEXT: Ltmp6:
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; CHECK-NEXT: nopw 8(%rax,%rax)
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; CHECK-NEXT: Ltmp7:
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; CHECK-NEXT: nopl 512(%rax)
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; CHECK-NEXT: Ltmp8:
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; CHECK-NEXT: nopl 512(%rax,%rax)
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; CHECK-NEXT: Ltmp9:
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; CHECK-NEXT: nopw 512(%rax,%rax)
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; CHECK-NEXT: Ltmp10:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: Ltmp11:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nop
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; CHECK-NEXT: Ltmp12:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: xchgw %ax, %ax
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; CHECK-NEXT: Ltmp13:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopl (%rax)
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; CHECK-NEXT: Ltmp14:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopl 8(%rax)
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; CHECK-NEXT: Ltmp15:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopl 8(%rax,%rax)
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; CHECK-NEXT: Ltmp16:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopw 8(%rax,%rax)
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; CHECK-NEXT: Ltmp17:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopl 512(%rax)
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; CHECK-NEXT: Ltmp18:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopl 512(%rax,%rax)
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; CHECK-NEXT: Ltmp19:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopw 512(%rax,%rax)
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; CHECK-NEXT: Ltmp20:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: Ltmp21:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nop
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; CHECK-NEXT: Ltmp22:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: xchgw %ax, %ax
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; CHECK-NEXT: Ltmp23:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopl (%rax)
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; CHECK-NEXT: Ltmp24:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopl 8(%rax)
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; CHECK-NEXT: Ltmp25:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopl 8(%rax,%rax)
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; CHECK-NEXT: Ltmp26:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopw 8(%rax,%rax)
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; CHECK-NEXT: Ltmp27:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopl 512(%rax)
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; CHECK-NEXT: Ltmp28:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopl 512(%rax,%rax)
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; CHECK-NEXT: Ltmp29:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopw 512(%rax,%rax)
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; CHECK-NEXT: Ltmp30:
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-NEXT: Ltmp31:
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; CHECK-NEXT: popq %rbp
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; CHECK-NEXT: retq
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;
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; CHECK-AMD-LABEL: nop_test:
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; CHECK-AMD: ## %bb.0: ## %entry
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; CHECK-AMD-NEXT: pushq %rbp
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; CHECK-AMD-NEXT: .cfi_def_cfa_offset 16
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; CHECK-AMD-NEXT: .cfi_offset %rbp, -16
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; CHECK-AMD-NEXT: movq %rsp, %rbp
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; CHECK-AMD-NEXT: .cfi_def_cfa_register %rbp
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; CHECK-AMD-NEXT: Ltmp0:
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; CHECK-AMD-NEXT: Ltmp1:
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; CHECK-AMD-NEXT: nop
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; CHECK-AMD-NEXT: Ltmp2:
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; CHECK-AMD-NEXT: xchgw %ax, %ax
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; CHECK-AMD-NEXT: Ltmp3:
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; CHECK-AMD-NEXT: nopl (%rax)
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; CHECK-AMD-NEXT: Ltmp4:
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; CHECK-AMD-NEXT: nopl 8(%rax)
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; CHECK-AMD-NEXT: Ltmp5:
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; CHECK-AMD-NEXT: nopl 8(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp6:
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; CHECK-AMD-NEXT: nopw 8(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp7:
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; CHECK-AMD-NEXT: nopl 512(%rax)
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; CHECK-AMD-NEXT: Ltmp8:
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; CHECK-AMD-NEXT: nopl 512(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp9:
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; CHECK-AMD-NEXT: nopw 512(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp10:
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp11:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp12:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp13:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp14:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp15:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp16:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: nop
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; CHECK-AMD-NEXT: Ltmp17:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: xchgw %ax, %ax
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; CHECK-AMD-NEXT: Ltmp18:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: nopl (%rax)
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; CHECK-AMD-NEXT: Ltmp19:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: nopl 8(%rax)
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; CHECK-AMD-NEXT: Ltmp20:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: nopl 8(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp21:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: nopw 8(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp22:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: nopl 512(%rax)
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; CHECK-AMD-NEXT: Ltmp23:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: nopl 512(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp24:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: nopw 512(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp25:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp26:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp27:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp28:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp29:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp30:
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: .byte 102
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; CHECK-AMD-NEXT: nopw %cs:512(%rax,%rax)
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; CHECK-AMD-NEXT: Ltmp31:
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; CHECK-AMD-NEXT: popq %rbp
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; CHECK-AMD-NEXT: retq
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entry:
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 0, i32 0)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 1, i32 1)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 2, i32 2)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 3, i32 3)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 4, i32 4)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 5, i32 5)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 6, i32 6)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 7, i32 7)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 8, i32 8)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 9, i32 9)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 10, i32 10)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 11, i32 11)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 12, i32 12)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 13, i32 13)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 14, i32 14)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 15, i32 15)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 16)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 17, i32 17)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 18, i32 18)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 19, i32 19)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 20, i32 20)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 21, i32 21)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 22, i32 22)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 23, i32 23)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 24, i32 24)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 25, i32 25)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 26, i32 26)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 27, i32 27)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 28, i32 28)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 29, i32 29)
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 30, i32 30)
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; Add an extra stackmap with a zero-length shadow to thwart the shadow
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; optimization. This will force all 15 bytes of the previous shadow to be
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; padded with nops.
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 31, i32 0)
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ret void
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}
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declare void @llvm.experimental.stackmap(i64, i32, ...)
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