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