| ; 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, ...) |