File: hoist-from-addresstaken-block.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (39 lines) | stat: -rw-r--r-- 1,633 bytes parent folder | download | duplicates (12)
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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=mem2reg,simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s

define i32 @test_inline_constraint_S_label_tailmerged(i1 %in) {
; CHECK-LABEL: @test_inline_constraint_S_label_tailmerged(
; CHECK-NEXT:    call void asm sideeffect "adr x0, $0", "S"(ptr blockaddress(@test_inline_constraint_S_label_tailmerged, [[COMMON_RET:%.*]]))
; CHECK-NEXT:    [[COMMON_RETVAL:%.*]] = select i1 [[IN:%.*]], i32 0, i32 42
; CHECK-NEXT:    br label [[COMMON_RET]]
; CHECK:       common.ret:
; CHECK-NEXT:    ret i32 [[COMMON_RETVAL]]
;
  call void asm sideeffect "adr x0, $0", "S"(ptr blockaddress(@test_inline_constraint_S_label_tailmerged, %loc))
  br i1 %in, label %loc, label %loc2
loc:
  br label %common.ret
loc2:
  br label %common.ret
common.ret:
  %common.retval = phi i32 [ 0, %loc ], [ 42, %loc2 ]
  ret i32 %common.retval
}

define i32 @test_inline_constraint_S_label_tailmerged2(i1 %in) {
; CHECK-LABEL: @test_inline_constraint_S_label_tailmerged2(
; CHECK-NEXT:  common.ret:
; CHECK-NEXT:    call void asm sideeffect "adr x0, $0", "S"(ptr blockaddress(@test_inline_constraint_S_label_tailmerged, [[COMMON_RET:%.*]]))
; CHECK-NEXT:    [[DOT:%.*]] = select i1 [[IN:%.*]], i32 0, i32 42
; CHECK-NEXT:    ret i32 [[DOT]]
;
  call void asm sideeffect "adr x0, $0", "S"(ptr blockaddress(@test_inline_constraint_S_label_tailmerged, %loc))
  br i1 %in, label %loc, label %loc2
common.ret:
  %common.retval = phi i32 [ 0, %loc ], [ 42, %loc2 ]
  ret i32 %common.retval
loc:
  br label %common.ret
loc2:
  br label %common.ret
}