File: constant-extractelement.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (19 lines) | stat: -rw-r--r-- 921 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt %s -scalarizer -scalarize-load-store -dce -S | FileCheck --check-prefixes=ALL %s

target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

; Test that constant extracts are nicely scalarized
define i32 @f1(<4 x i32> *%src, i32 %index) {
; ALL-LABEL: @f1(
; ALL-NEXT:    [[SRC_I0:%.*]] = bitcast <4 x i32>* [[SRC:%.*]] to i32*
; ALL-NEXT:    [[SRC_I3:%.*]] = getelementptr i32, i32* [[SRC_I0]], i32 3
; ALL-NEXT:    [[VAL0_I3:%.*]] = load i32, i32* [[SRC_I3]], align 4
; ALL-NEXT:    [[VAL2:%.*]] = shl i32 4, [[VAL0_I3]]
; ALL-NEXT:    ret i32 [[VAL2]]
;
  %val0 = load <4 x i32> , <4 x i32> *%src
  %val1 = shl <4 x i32> <i32 1, i32 2, i32 3, i32 4>, %val0
  %val2 = extractelement <4 x i32> %val1, i32 3
  ret i32 %val2
}