6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2026-04-21 08:17:40 +00:00
Code Issues Projects Releases Wiki Activity

Revert r210342 and r210343, add test case for the crasher.

Browse Source 
PR 20642.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216475 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Joerg Sonnenberger
2014-08-26 19:06:41 +00:00
parent a5718c69b4
commit 1d5cdfd751
3 changed files with 19 additions and 132 deletions
Download Patch File Download Diff File Expand all files Collapse all files
test/Transforms/SLPVectorizer/X86/crash_gep.ll
+19
View File
@@ -0,0 +1,19 @@
; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-unknown-linux-gnu
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@a = common global i64* null, align 8
; Function Attrs: nounwind uwtable
define i32 @fn1() {
entry:
%0 = load i64** @a, align 8
%add.ptr = getelementptr inbounds i64* %0, i64 1
%1 = ptrtoint i64* %add.ptr to i64
%arrayidx = getelementptr inbounds i64* %0, i64 2
store i64 %1, i64* %arrayidx, align 8
%2 = ptrtoint i64* %arrayidx to i64
store i64 %2, i64* %add.ptr, align 8
ret i32 undef
}
test/Transforms/SLPVectorizer/X86/gep.ll
-41
View File
@@ -1,41 +0,0 @@
; RUN: opt < %s -basicaa -slp-vectorizer -S |FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
; Test if SLP can handle GEP expressions.
; The test perform the following action:
; x->first = y->first + 16
; x->second = y->second + 16
; CHECK-LABEL: foo1
; CHECK: <2 x i32*>
define void @foo1 ({ i32*, i32* }* noalias %x, { i32*, i32* }* noalias %y) {
%1 = getelementptr inbounds { i32*, i32* }* %y, i64 0, i32 0
%2 = load i32** %1, align 8
%3 = getelementptr inbounds i32* %2, i64 16
%4 = getelementptr inbounds { i32*, i32* }* %x, i64 0, i32 0
store i32* %3, i32** %4, align 8
%5 = getelementptr inbounds { i32*, i32* }* %y, i64 0, i32 1
%6 = load i32** %5, align 8
%7 = getelementptr inbounds i32* %6, i64 16
%8 = getelementptr inbounds { i32*, i32* }* %x, i64 0, i32 1
store i32* %7, i32** %8, align 8
ret void
}
; Test that we don't vectorize GEP expressions if indexes are not constants.
; We can't produce an efficient code in that case.
; CHECK-LABEL: foo2
; CHECK-NOT: <2 x i32*>
define void @foo2 ({ i32*, i32* }* noalias %x, { i32*, i32* }* noalias %y, i32 %i) {
%1 = getelementptr inbounds { i32*, i32* }* %y, i64 0, i32 0
%2 = load i32** %1, align 8
%3 = getelementptr inbounds i32* %2, i32 %i
%4 = getelementptr inbounds { i32*, i32* }* %x, i64 0, i32 0
store i32* %3, i32** %4, align 8
%5 = getelementptr inbounds { i32*, i32* }* %y, i64 0, i32 1
%6 = load i32** %5, align 8
%7 = getelementptr inbounds i32* %6, i32 %i
%8 = getelementptr inbounds { i32*, i32* }* %x, i64 0, i32 1
store i32* %7, i32** %8, align 8
ret void
}