File: load-width.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (39 lines) | stat: -rw-r--r-- 2,148 bytes parent folder | download | duplicates (12)
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
; RUN: opt -mtriple=x86_64-unknown-linux-gnu -passes=load-store-vectorizer -mcpu haswell -S -o - %s | FileCheck --check-prefix=CHECK-HSW %s
; RUN: opt -mtriple=x86_64-unknown-linux-gnu -passes=load-store-vectorizer -mcpu knl -S -o - %s | FileCheck --check-prefix=CHECK-KNL %s
; RUN: opt -mtriple=x86_64-unknown-linux-gnu -aa-pipeline=basic-aa -passes='function(load-store-vectorizer)' -mcpu haswell -S -o - %s | FileCheck --check-prefix=CHECK-HSW %s
; RUN: opt -mtriple=x86_64-unknown-linux-gnu -aa-pipeline=basic-aa -passes='function(load-store-vectorizer)' -mcpu knl -S -o - %s | FileCheck --check-prefix=CHECK-KNL %s

define <8 x double> @loadwidth_insert_extract(ptr %ptr) {
    %b = getelementptr <2 x double>, ptr %ptr, i32 1
    %c = getelementptr <2 x double>, ptr %ptr, i32 2
    %d = getelementptr <2 x double>, ptr %ptr, i32 3
; CHECK-HSW: load <4 x double>
; CHECK-HSW: load <4 x double>
; CHECK-HSW-NOT: load
; CHECK-KNL: load <8 x double>
; CHECK-KNL-NOT: load
    %la = load <2 x double>, ptr %ptr
    %lb = load <2 x double>, ptr %b
    %lc = load <2 x double>, ptr %c
    %ld = load <2 x double>, ptr %d
    ; Scalarize everything - Explicitly not a shufflevector to test this code
    ; path in the LSV
    %v1 = extractelement <2 x double> %la, i32 0
    %v2 = extractelement <2 x double> %la, i32 1
    %v3 = extractelement <2 x double> %lb, i32 0
    %v4 = extractelement <2 x double> %lb, i32 1
    %v5 = extractelement <2 x double> %lc, i32 0
    %v6 = extractelement <2 x double> %lc, i32 1
    %v7 = extractelement <2 x double> %ld, i32 0
    %v8 = extractelement <2 x double> %ld, i32 1
    ; Make a vector again
    %i1 = insertelement <8 x double> undef, double %v1, i32 0
    %i2 = insertelement <8 x double> %i1, double %v2, i32 1
    %i3 = insertelement <8 x double> %i2, double %v3, i32 2
    %i4 = insertelement <8 x double> %i3, double %v4, i32 3
    %i5 = insertelement <8 x double> %i4, double %v5, i32 4
    %i6 = insertelement <8 x double> %i5, double %v6, i32 5
    %i7 = insertelement <8 x double> %i6, double %v7, i32 6
    %i8 = insertelement <8 x double> %i7, double %v8, i32 7
    ret <8 x double> %i8
}