File: pr24301.ll

package info (click to toggle)
llvm-toolchain-5.0 1:5.0.1-2~bpo9+1
  • links: PTS, VCS
  • area: main
  • in suites: stretch-backports
  • size: 553,688 kB
  • sloc: cpp: 2,878,786; ansic: 584,110; asm: 246,252; python: 124,751; objc: 106,925; sh: 21,542; lisp: 8,628; pascal: 5,885; ml: 5,544; perl: 5,312; makefile: 2,208; cs: 2,022; xml: 686; php: 212; csh: 117
file content (15 lines) | stat: -rw-r--r-- 485 bytes parent folder | download | duplicates (20)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
; RUN: opt < %s -nary-reassociate -S | FileCheck %s
; RUN: opt < %s -passes='nary-reassociate' -S | FileCheck %s

define i32 @foo(i32 %tmp4) {
; CHECK-LABEL: @foo(
entry:
  %tmp5 = add i32 %tmp4, 8
  %tmp13 = add i32 %tmp4, -128  ; deleted
  %tmp14 = add i32 %tmp13, 8    ; => %tmp5 + -128
  %tmp21 = add i32 119, %tmp4
  ; do not rewrite %tmp23 against %tmp13 because %tmp13 is already deleted
  %tmp23 = add i32 %tmp21, -128
; CHECK: %tmp23 = add i32 %tmp21, -128
  ret i32 %tmp23
}