File: inline-invoke-tail.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (38 lines) | stat: -rw-r--r-- 944 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
 
; RUN: opt < %s -passes=inline -S | not grep "tail call void @llvm.memcpy.p0.p0.i32"
; PR3550

define internal void @foo(ptr %p, ptr %q) {
; CHECK-NOT: @foo
entry:
  tail call void @llvm.memcpy.p0.p0.i32(ptr %p, ptr %q, i32 4, i1 false)
  ret void
}

define i32 @main() personality ptr @__gxx_personality_v0 {
; CHECK-LABEL: define i32 @main() personality ptr @__gxx_personality_v0
entry:
  %a = alloca i32
  %b = alloca i32
  store i32 1, ptr %a, align 4
  store i32 0, ptr %b, align 4
  invoke void @foo(ptr %a, ptr %b)
      to label %invcont unwind label %lpad
; CHECK-NOT: invoke
; CHECK-NOT: @foo
; CHECK-NOT: tail
; CHECK: call void @llvm.memcpy.p0.p0.i32
; CHECK: br

invcont:
  %retval = load i32, ptr %a, align 4
  ret i32 %retval

lpad:
  %exn = landingpad {ptr, i32}
         catch ptr null
  unreachable
}

declare i32 @__gxx_personality_v0(...)

declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture, i32, i1) nounwind