File: copy-to-reg.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (26 lines) | stat: -rw-r--r-- 903 bytes parent folder | download | duplicates (6) 
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
 
; RUN: llc -mtriple=amdgcn -mattr=-promote-alloca -verify-machineinstrs < %s
; RUN: llc -mtriple=amdgcn -mcpu=tonga -mattr=-flat-for-global -mattr=-promote-alloca -verify-machineinstrs < %s

; Test that CopyToReg instructions don't have non-register operands prior
; to being emitted.

; Make sure this doesn't crash
; CHECK-LABEL: {{^}}copy_to_reg_frameindex:
define amdgpu_kernel void @copy_to_reg_frameindex(ptr addrspace(1) %out, i32 %a, i32 %b, i32 %c) {
entry:
  %alloca = alloca [16 x i32], addrspace(5)
  br label %loop

loop:
  %inc = phi i32 [0, %entry], [%inc.i, %loop]
  %ptr = getelementptr [16 x i32], ptr addrspace(5) %alloca, i32 0, i32 %inc
  store i32 %inc, ptr addrspace(5) %ptr
  %inc.i = add i32 %inc, 1
  %cnd = icmp uge i32 %inc.i, 16
  br i1 %cnd, label %done, label %loop

done:
  %tmp1 = load i32, ptr addrspace(5) %alloca
  store i32 %tmp1, ptr addrspace(1) %out
  ret void
}