File: disable-tail-merge.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-- 810 bytes parent folder | download | duplicates (21) 
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: llc -march=mipsel < %s | FileCheck %s

@g0 = common global i32 0, align 4
@g1 = common global i32 0, align 4

; CHECK: addiu ${{[0-9]+}}, ${{[0-9]+}}, 23
; CHECK: addiu ${{[0-9]+}}, ${{[0-9]+}}, 23

define i32 @test1(i32 %a) {
entry:
  %tobool = icmp eq i32 %a, 0
  %0 = load i32, i32* @g0, align 4
  br i1 %tobool, label %if.else, label %if.then

if.then:
  %add = add nsw i32 %0, 1
  store i32 %add, i32* @g0, align 4
  %1 = load i32, i32* @g1, align 4
  %add1 = add nsw i32 %1, 23
  br label %if.end

if.else:
  %add2 = add nsw i32 %0, 11
  store i32 %add2, i32* @g0, align 4
  %2 = load i32, i32* @g1, align 4
  %add3 = add nsw i32 %2, 23
  br label %if.end

if.end:
  %storemerge = phi i32 [ %add3, %if.else ], [ %add1, %if.then ]
  store i32 %storemerge, i32* @g1, align 4
  ret i32 %storemerge
}