File: copy-to-reg.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (27 lines) | stat: -rw-r--r-- 992 bytes parent folder | download | duplicates (14)
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
; RUN: llc -march=amdgcn -mattr=-promote-alloca -verify-machineinstrs < %s
; RUN: llc -march=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(i32 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], [16 x i32] addrspace(5)* %alloca, i32 0, i32 %inc
  store i32 %inc, i32 addrspace(5)* %ptr
  %inc.i = add i32 %inc, 1
  %cnd = icmp uge i32 %inc.i, 16
  br i1 %cnd, label %done, label %loop

done:
  %tmp0 = getelementptr [16 x i32], [16 x i32] addrspace(5)* %alloca, i32 0, i32 0
  %tmp1 = load i32, i32 addrspace(5)* %tmp0
  store i32 %tmp1, i32 addrspace(1)* %out
  ret void
}