mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-17 03:30:28 +00:00
7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
111 lines
3.5 KiB
LLVM
111 lines
3.5 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -S -enable-if-conversion | FileCheck %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"
|
|
target triple = "x86_64-apple-macosx10.9.0"
|
|
|
|
; This is kernel11 from "LivermoreLoops". We can't vectorize it because we
|
|
; access both x[k] and x[k-1].
|
|
;
|
|
; void kernel11(double *x, double *y, int n) {
|
|
; for ( int k=1 ; k<n ; k++ )
|
|
; x[k] = x[k-1] + y[k];
|
|
; }
|
|
|
|
; CHECK-LABEL: @kernel11(
|
|
; CHECK-NOT: <4 x double>
|
|
; CHECK: ret
|
|
define i32 @kernel11(double* %x, double* %y, i32 %n) nounwind uwtable ssp {
|
|
%1 = alloca double*, align 8
|
|
%2 = alloca double*, align 8
|
|
%3 = alloca i32, align 4
|
|
%k = alloca i32, align 4
|
|
store double* %x, double** %1, align 8
|
|
store double* %y, double** %2, align 8
|
|
store i32 %n, i32* %3, align 4
|
|
store i32 1, i32* %k, align 4
|
|
br label %4
|
|
|
|
; <label>:4 ; preds = %25, %0
|
|
%5 = load i32, i32* %k, align 4
|
|
%6 = load i32, i32* %3, align 4
|
|
%7 = icmp slt i32 %5, %6
|
|
br i1 %7, label %8, label %28
|
|
|
|
; <label>:8 ; preds = %4
|
|
%9 = load i32, i32* %k, align 4
|
|
%10 = sub nsw i32 %9, 1
|
|
%11 = sext i32 %10 to i64
|
|
%12 = load double*, double** %1, align 8
|
|
%13 = getelementptr inbounds double, double* %12, i64 %11
|
|
%14 = load double, double* %13, align 8
|
|
%15 = load i32, i32* %k, align 4
|
|
%16 = sext i32 %15 to i64
|
|
%17 = load double*, double** %2, align 8
|
|
%18 = getelementptr inbounds double, double* %17, i64 %16
|
|
%19 = load double, double* %18, align 8
|
|
%20 = fadd double %14, %19
|
|
%21 = load i32, i32* %k, align 4
|
|
%22 = sext i32 %21 to i64
|
|
%23 = load double*, double** %1, align 8
|
|
%24 = getelementptr inbounds double, double* %23, i64 %22
|
|
store double %20, double* %24, align 8
|
|
br label %25
|
|
|
|
; <label>:25 ; preds = %8
|
|
%26 = load i32, i32* %k, align 4
|
|
%27 = add nsw i32 %26, 1
|
|
store i32 %27, i32* %k, align 4
|
|
br label %4
|
|
|
|
; <label>:28 ; preds = %4
|
|
ret i32 0
|
|
}
|
|
|
|
|
|
|
|
; We don't vectorize this function because A[i*7] is scalarized, and the
|
|
; different scalars can in theory wrap around and overwrite other scalar
|
|
; elements. At the moment we only allow read/write access to arrays
|
|
; that are consecutive.
|
|
;
|
|
; void foo(int *a) {
|
|
; for (int i=0; i<256; ++i) {
|
|
; int x = a[i*7];
|
|
; if (x>3)
|
|
; x = x*x+x*4;
|
|
; a[i*7] = x+3;
|
|
; }
|
|
; }
|
|
|
|
; CHECK-LABEL: @func2(
|
|
; CHECK-NOT: <4 x i32>
|
|
; CHECK: ret
|
|
define i32 @func2(i32* nocapture %a) nounwind uwtable ssp {
|
|
br label %1
|
|
|
|
; <label>:1 ; preds = %7, %0
|
|
%indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %7 ]
|
|
%2 = mul nsw i64 %indvars.iv, 7
|
|
%3 = getelementptr inbounds i32, i32* %a, i64 %2
|
|
%4 = load i32, i32* %3, align 4
|
|
%5 = icmp sgt i32 %4, 3
|
|
br i1 %5, label %6, label %7
|
|
|
|
; <label>:6 ; preds = %1
|
|
%tmp = add i32 %4, 4
|
|
%tmp1 = mul i32 %tmp, %4
|
|
br label %7
|
|
|
|
; <label>:7 ; preds = %6, %1
|
|
%x.0 = phi i32 [ %tmp1, %6 ], [ %4, %1 ]
|
|
%8 = add nsw i32 %x.0, 3
|
|
store i32 %8, i32* %3, align 4
|
|
%indvars.iv.next = add i64 %indvars.iv, 1
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
%exitcond = icmp eq i32 %lftr.wideiv, 256
|
|
br i1 %exitcond, label %9, label %1
|
|
|
|
; <label>:9 ; preds = %7
|
|
ret i32 0
|
|
}
|