mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-03 14:21:30 +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
43 lines
1.2 KiB
LLVM
43 lines
1.2 KiB
LLVM
; RUN: opt -indvars -loop-vectorize -force-vector-width=2 -force-vector-interleave=1 -S < %s | FileCheck %s
|
|
|
|
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-apple-macosx10.9.0"
|
|
|
|
; We must not vectorize this loop. %add55 is not reduction. Its value is used
|
|
; multiple times.
|
|
|
|
; PR18526
|
|
|
|
; CHECK: multiple_use_of_value
|
|
; CHECK-NOT: <2 x i32>
|
|
|
|
define void @multiple_use_of_value() {
|
|
entry:
|
|
%n = alloca i32, align 4
|
|
%k7 = alloca i32, align 4
|
|
%nf = alloca i32, align 4
|
|
%0 = load i32, i32* %k7, align 4
|
|
%.neg1 = sub i32 0, %0
|
|
%n.promoted = load i32, i32* %n, align 4
|
|
%nf.promoted = load i32, i32* %nf, align 4
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%inc107 = phi i32 [ undef, %entry ], [ %inc10, %for.body ]
|
|
%inc6 = phi i32 [ %nf.promoted, %entry ], [ undef, %for.body ]
|
|
%add55 = phi i32 [ %n.promoted, %entry ], [ %add5, %for.body ]
|
|
%.neg2 = sub i32 0, %inc6
|
|
%add.neg = add i32 0, %add55
|
|
%add4.neg = add i32 %add.neg, %.neg1
|
|
%sub = add i32 %add4.neg, %.neg2
|
|
%add5 = add i32 %sub, %add55
|
|
%inc10 = add i32 %inc107, 1
|
|
%cmp = icmp ult i32 %inc10, 61
|
|
br i1 %cmp, label %for.body, label %for.end
|
|
|
|
for.end:
|
|
%add5.lcssa = phi i32 [ %add5, %for.body ]
|
|
store i32 %add5.lcssa, i32* %n, align 4
|
|
ret void
|
|
}
|