File: base-pointers-9.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8~deb9u3
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • 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 (21 lines) | stat: -rw-r--r-- 857 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
; RUN: opt < %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S  2>&1 | FileCheck %s
; RUN: opt < %s -passes=rewrite-statepoints-for-gc -spp-print-base-pointers -S  2>&1 | FileCheck %s

; CHECK: derived %next base %base_obj

declare i1 @runtime_value() "gc-leaf-function"

define void @maybe_GEP(i64 addrspace(1)* %base_obj) gc "statepoint-example" {
entry:
  br label %loop

loop:                                             ; preds = %loop, %entry
  %current = phi i64 addrspace(1)* [ %base_obj, %entry ], [ %next, %loop ]
  %condition = call i1 @runtime_value()
  %maybe_next = getelementptr i64, i64 addrspace(1)* %current, i32 1
  %next = select i1 %condition, i64 addrspace(1)* %maybe_next, i64 addrspace(1)* %current
  call void @do_safepoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
  br label %loop
}

declare void @do_safepoint()