File: dont-hoist-deoptimize.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 (42 lines) | stat: -rw-r--r-- 1,673 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
40
41
42
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S --passes='simplifycfg<hoist-common-insts>' -simplifycfg-hoist-common-skip-limit=0 %s | FileCheck %s
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2"
target triple = "x86_64-unknown-linux-gnu"

declare void @llvm.experimental.deoptimize.isVoid(...) #0

define void @widget(i1 %arg) {
; CHECK-LABEL: @widget(
; CHECK-NEXT:  bb:
; CHECK-NEXT:    [[TMP:%.*]] = trunc i64 5 to i32
; CHECK-NEXT:    br i1 [[ARG:%.*]], label [[BB1:%.*]], label [[BB4:%.*]]
; CHECK:       bb1:
; CHECK-NEXT:    [[TMP2:%.*]] = trunc i64 0 to i32
; CHECK-NEXT:    [[TMP3:%.*]] = trunc i64 0 to i32
; CHECK-NEXT:    call void (...) @llvm.experimental.deoptimize.isVoid(i32 13) #[[ATTR0:[0-9]+]] [ "deopt"() ]
; CHECK-NEXT:    ret void
; CHECK:       bb4:
; CHECK-NEXT:    [[TMP6:%.*]] = trunc i64 1 to i32
; CHECK-NEXT:    [[TMP7:%.*]] = trunc i64 0 to i32
; CHECK-NEXT:    call void (...) @llvm.experimental.deoptimize.isVoid(i32 13) #[[ATTR0]] [ "deopt"() ]
; CHECK-NEXT:    ret void
;
bb:
  br i1 %arg, label %bb1, label %bb4

bb1:                                              ; preds = %bb
  %tmp = trunc i64 5 to i32
  %tmp2 = trunc i64 0 to i32
  %tmp3 = trunc i64 0 to i32
  call void (...) @llvm.experimental.deoptimize.isVoid(i32 13) #0 [ "deopt"() ]
  ret void

bb4:                                              ; preds = %bb
  %tmp5 = trunc i64 5 to i32
  %tmp6 = trunc i64 1 to i32
  %tmp7 = trunc i64 0 to i32
  call void (...) @llvm.experimental.deoptimize.isVoid(i32 13) #0 [ "deopt"() ]
  ret void
}

attributes #0 = { nounwind }