File: promote-alloca-unhandled-intrinsic.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (24 lines) | stat: -rw-r--r-- 813 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-promote-alloca < %s | FileCheck %s

; This is just an arbitrary intrinisic that shouldn't ever need to be
; handled to ensure it doesn't crash.

declare void @llvm.stackrestore(i8*) #2

; CHECK-LABEL: @try_promote_unhandled_intrinsic(
; CHECK: alloca
; CHECK: call void @llvm.stackrestore(i8* %tmp1)
define amdgpu_kernel void @try_promote_unhandled_intrinsic(i32 addrspace(1)* %arg) #2 {
bb:
  %tmp = alloca i32, align 4
  %tmp1 = bitcast i32* %tmp to i8*
  %tmp2 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 1
  %tmp3 = load i32, i32 addrspace(1)* %tmp2
  store i32 %tmp3, i32* %tmp
  call void @llvm.stackrestore(i8* %tmp1)
  ret void
}

attributes #0 = { argmemonly nounwind }
attributes #1 = { nounwind readnone }
attributes #2 = { nounwind }