File: indexed-load.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (22 lines) | stat: -rw-r--r-- 801 bytes parent folder | download | duplicates (16)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
; RUN: llc -verify-machineinstrs < %s | FileCheck %s

; The SplitIndexingFromLoad tranformation exposed an isel backend bug.  This
; testcase used to generate stwx 4, 3, 64.  stwx does not have an
; immediate-offset format (note the 64) and it should not be matched.

target datalayout = "e-m:e-i64:64-n32:64"
target triple = "powerpc64le-unknown-linux-gnu"

%class.test = type { [64 x i8], [5 x i8] }

; CHECK-LABEL: f:
; CHECK-NOT: stwx {{[0-9]+}}, {{[0-9]+}}, 64
define void @f(%class.test* %this) {
entry:
  %Subminor.i.i = getelementptr inbounds %class.test, %class.test* %this, i64 0, i32 1
  %0 = bitcast [5 x i8]* %Subminor.i.i to i40*
  %bf.load2.i.i = load i40, i40* %0, align 4
  %bf.clear7.i.i = and i40 %bf.load2.i.i, -8589934592
  store i40 %bf.clear7.i.i, i40* %0, align 4
  ret void
}