File: inline-assume.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (33 lines) | stat: -rw-r--r-- 785 bytes parent folder | download | duplicates (4) 
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
 
; RUN: opt -inline -S -o - < %s | FileCheck %s
; RUN: opt -passes='cgscc(inline)' -S < %s | FileCheck %s
; RUN: opt -passes='module-inline' -S < %s | FileCheck %s

%0 = type opaque
%struct.Foo = type { i32, %0* }

; Test that we don't crash when inlining @bar (rdar://22521387).
define void @foo(%struct.Foo* align 4 %a) {
entry:
  call fastcc void @bar(%struct.Foo* nonnull align 4 undef)

; CHECK: call void @llvm.assume(i1 undef)
; CHECK: unreachable

  ret void
}

define fastcc void @bar(%struct.Foo* align 4 %a) {
; CHECK-LABEL: @bar
entry:
  %b = getelementptr inbounds %struct.Foo, %struct.Foo* %a, i32 0, i32 1
  br i1 undef, label %if.end, label %if.then.i.i

if.then.i.i:
  call void @llvm.assume(i1 undef)
  unreachable

if.end:
  ret void
}

declare void @llvm.assume(i1)