File: codegenprepare-sink-and-for-tm.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 (42 lines) | stat: -rw-r--r-- 1,100 bytes parent folder | download | duplicates (7) 
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
39
40
41
42
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
;
; CGP will duplicate and sink the 'icmp' to the users. Test that it does the
; same for the 'and' so that tmll:s result and the nilf is eliminated.

define void @fun(i32 %Arg) {
; CHECK-LABEL: fun:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    ahi %r2, 1
; CHECK-NEXT:    lhi %r0, 0
; CHECK-NEXT:    cijlh %r0, 0, .LBB0_2
; CHECK-NEXT:  # %bb.1: # %bb1
; CHECK-NEXT:    tmll %r2, 16
; CHECK-NEXT:    lochie %r0, 1
; CHECK-NEXT:    st %r0, 0(%r1)
; CHECK-NEXT:    br %r14
; CHECK-NEXT:  .LBB0_2: # %bb2
; CHECK-NEXT:    tmll %r2, 16
; CHECK-NEXT:    lhi %r0, 16
; CHECK-NEXT:    lochie %r0, 4
; CHECK-NEXT:    st %r0, 0(%r1)
; CHECK-NEXT:    br %r14
entry:
  %A = add i32 %Arg, 1
  %N = and i32 %A, 16
  %i4 = icmp eq i32 %N, 0
  br i1 undef, label %bb1, label %bb2

bb1:
  %i9 = zext i1 %i4 to i32
  store i32 %i9, i32* undef
  br label %bb3

bb2:
  %i13 = select i1 %i4, i32 4, i32 16
  store i32 %i13, i32* undef
  br label %bb3

bb3:
  ret void
}