File: arm64-zero-cycle-regmov.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (23 lines) | stat: -rw-r--r-- 777 bytes parent folder | download | duplicates (22) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
; RUN: llc < %s -mtriple=arm64-apple-ios -mattr=-zcm   | FileCheck %s -check-prefixes=CHECK,NOT
; RUN: llc < %s -mtriple=arm64-apple-ios -mattr=+zcm   | FileCheck %s -check-prefixes=CHECK,YES
; RUN: llc < %s -mtriple=arm64-apple-ios -mcpu=cyclone | FileCheck %s -check-prefixes=CHECK,YES

; rdar://12254953
define i32 @t(i32 %a, i32 %b, i32 %c, i32 %d) nounwind ssp {
entry:
; CHECK-LABEL: t:
; NOT: mov [[REG2:w[0-9]+]], w3
; NOT: mov [[REG1:w[0-9]+]], w2
; YES: mov [[REG2:x[0-9]+]], x3
; YES: mov [[REG1:x[0-9]+]], x2
; CHECK: bl _foo
; NOT: mov w0, [[REG1]]
; NOT: mov w1, [[REG2]]
; YES: mov x0, [[REG1]]
; YES: mov x1, [[REG2]]
  %call = call i32 @foo(i32 %c, i32 %d) nounwind
  %call1 = call i32 @foo(i32 %c, i32 %d) nounwind
  unreachable
}

declare i32 @foo(i32, i32)