File: noreturn-noepilog.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,235,796 kB
  • sloc: cpp: 7,617,614; ansic: 1,433,901; asm: 1,058,726; python: 252,096; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 10,032; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,401; javascript: 2,272; xml: 892; fortran: 770
file content (34 lines) | stat: -rw-r--r-- 756 bytes parent folder | download | duplicates (6)
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
; RUN: llc -mtriple=hexagon < %s | FileCheck %s
;
;
; Check that no epilogue is inserted after a noreturn call.
;
; CHECK-LABEL: f1:
; CHECK: allocframe
; 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(ptr, 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(ptr 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 }