File: base-pointers-6.ll

package info (click to toggle)
llvm-toolchain-3.8 1%3A3.8.1-24
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 379,280 kB
  • ctags: 388,501
  • sloc: cpp: 2,309,705; ansic: 477,070; objc: 100,918; asm: 97,974; python: 95,911; sh: 18,634; makefile: 7,294; perl: 5,584; ml: 5,460; pascal: 4,661; lisp: 2,548; xml: 686; cs: 350; php: 212; csh: 117
file content (41 lines) | stat: -rw-r--r-- 1,588 bytes parent folder | download | duplicates (2)
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
30
31
32
33
34
35
36
37
38
39
40
41
; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s

; CHECK: derived %merged_value base %merged_value.base

declare void @site_for_call_safpeoint()

define i64 addrspace(1)* @test(i64 addrspace(1)* %base_obj_x, i64 addrspace(1)* %base_obj_y, i1 %runtime_condition_x, i1 %runtime_condition_y) gc "statepoint-example" {
entry:
  br i1 %runtime_condition_x, label %here, label %there

here:
 br i1 %runtime_condition_y, label %bump_here_a, label %bump_here_b

bump_here_a:
  %x_a = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 1
  br label %merge_here

bump_here_b:
  %x_b = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 2
  br label %merge_here
  

merge_here:
  %x = phi i64 addrspace(1)* [ %x_a , %bump_here_a ], [ %x_b , %bump_here_b ]
  br label %merge

there:
  %y = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 1
  br label %merge

merge:
; CHECK: merge:
; CHECK:  %merged_value.base = phi i64 addrspace(1)* [ %base_obj_x, %merge_here ], [ %base_obj_y, %there ]
; CHECK-NEXT:  %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]  
  %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]
  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @site_for_call_safpeoint, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
  ret i64 addrspace(1)* %merged_value
}

declare void @do_safepoint()
declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)