File: noreturn-noepilog.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
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 }