File: arm64_32-null.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 (29 lines) | stat: -rw-r--r-- 707 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
; RUN: llc -fast-isel=true  -global-isel=false -O0 -mtriple=arm64_32-apple-ios %s -o - | FileCheck %s
; RUN: llc -fast-isel=false -global-isel=false -O0 -mtriple=arm64_32-apple-ios %s -o - | FileCheck %s

define void @test_store(i8** %p) {
; CHECK-LABEL: test_store:
; CHECK: mov [[R1:w[0-9]+]], wzr
; CHECK: str [[R1]], [x0]

  store i8* null, i8** %p
  ret void
}

define void @test_phi(i8** %p) {
; CHECK-LABEL: test_phi:
; CHECK: mov [[R1:x[0-9]+]], xzr
; CHECK: str [[R1]], [sp, #8]
; CHECK: b [[BB:LBB[0-9_]+]]
; CHECK: [[BB]]:
; CHECK: ldr x0, [sp, #8]
; CHECK: mov w8, w0
; CHECK: str w8, [x{{.*}}]

bb0:
  br label %bb1
bb1:
  %tmp0 = phi i8* [ null, %bb0 ]
  store i8* %tmp0, i8** %p
  ret void
}