mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-23 13:02:52 +02:00
d4c615be8c
Discussed here: http://lists.llvm.org/pipermail/llvm-dev/2018-January/120320.html In preparation for adding support for named vregs we are changing the sigil for physical registers in MIR to '$' from '%'. This will prevent name clashes of named physical register with named vregs. llvm-svn: 323922
21 lines
893 B
LLVM
21 lines
893 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=x86-64 -mattr=+rdpid | FileCheck %s --check-prefix=CHECK --check-prefix=GENERIC
|
|
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=icelake | FileCheck %s --check-prefix=CHECK --check-prefix=ICELAKE
|
|
|
|
define i32 @test_rdpid() {
|
|
; GENERIC-LABEL: test_rdpid:
|
|
; GENERIC: # %bb.0:
|
|
; GENERIC-NEXT: rdpid %rax # sched: [100:0.33]
|
|
; GENERIC-NEXT: # kill: def $eax killed $eax killed $rax
|
|
; GENERIC-NEXT: retq # sched: [1:1.00]
|
|
;
|
|
; ICELAKE-LABEL: test_rdpid:
|
|
; ICELAKE: # %bb.0:
|
|
; ICELAKE-NEXT: rdpid %rax # sched: [100:0.25]
|
|
; ICELAKE-NEXT: # kill: def $eax killed $eax killed $rax
|
|
; ICELAKE-NEXT: retq # sched: [7:1.00]
|
|
%1 = tail call i32 @llvm.x86.rdpid()
|
|
ret i32 %1
|
|
}
|
|
declare i32 @llvm.x86.rdpid()
|