File: noreturn-noepilog.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 995,836 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (36 lines) | stat: -rw-r--r-- 835 bytes parent folder | download | duplicates (14) 
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
 
; RUN: llc -march=hexagon < %s | FileCheck %s
;
; XFAIL: *
; This test is failing after post-ra machine sinking.
;
; Check that no epilogue is inserted after a noreturn call.
;
; CHECK-LABEL: f1:
; CHECK: allocframe(r29,#0):raw
; CHECK-NOT: deallocframe

target triple = "hexagon"

%s.0 = type <{ i16, i8, i8, i8 }>

@g0 = internal constant %s.0 <{ i16 1, i8 2, i8 3, i8 4 }>, align 4

; Function Attrs: noreturn
declare void @f0(%s.0*, i32) #0

define i64 @f1(i32 %a0, i32 %a1) {
b0:
  %v0 = icmp ugt i32 %a0, 3
  br i1 %v0, label %b1, label %b2

b1:                                               ; preds = %b0
  call void @f0(%s.0* nonnull @g0, i32 %a0) #0
  unreachable

b2:                                               ; preds = %b0
  %v1 = mul i32 %a1, 7
  %v2 = zext i32 %v1 to i64
  ret i64 %v2
}

attributes #0 = { noreturn }