mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-27 15:29:51 +00:00
PR16628: Fix a bug in the code that merges compares.
Compares return i1 but they compare different types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186359 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
a44c37f880
commit
135e81efe3
@ -703,9 +703,11 @@ void BoUpSLP::buildTree_rec(ArrayRef<Value *> VL, unsigned Depth) {
|
||||
case Instruction::FCmp: {
|
||||
// Check that all of the compares have the same predicate.
|
||||
CmpInst::Predicate P0 = dyn_cast<CmpInst>(VL0)->getPredicate();
|
||||
Type *ComparedTy = cast<Instruction>(VL[0])->getOperand(0)->getType();
|
||||
for (unsigned i = 1, e = VL.size(); i < e; ++i) {
|
||||
CmpInst *Cmp = cast<CmpInst>(VL[i]);
|
||||
if (Cmp->getPredicate() != P0) {
|
||||
if (Cmp->getPredicate() != P0 ||
|
||||
Cmp->getOperand(0)->getType() != ComparedTy) {
|
||||
newTreeEntry(VL, false);
|
||||
DEBUG(dbgs() << "SLP: Gathering cmp with different predicate.\n");
|
||||
return;
|
||||
|
27
test/Transforms/SLPVectorizer/X86/pr16628.ll
Normal file
27
test/Transforms/SLPVectorizer/X86/pr16628.ll
Normal file
@ -0,0 +1,27 @@
|
||||
; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7
|
||||
|
||||
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"
|
||||
|
||||
@c = common global i32 0, align 4
|
||||
@a = common global i16 0, align 2
|
||||
@b = common global i16 0, align 2
|
||||
|
||||
; Function Attrs: nounwind ssp uwtable
|
||||
define void @f() {
|
||||
entry:
|
||||
%call = tail call i32 (...)* @g()
|
||||
%0 = load i32* @c, align 4
|
||||
%lnot = icmp eq i32 %0, 0
|
||||
%lnot.ext = zext i1 %lnot to i32
|
||||
%1 = load i16* @a, align 2
|
||||
%lnot2 = icmp eq i16 %1, 0
|
||||
%lnot.ext3 = zext i1 %lnot2 to i32
|
||||
%or = or i32 %lnot.ext3, %lnot.ext
|
||||
%cmp = icmp eq i32 %call, %or
|
||||
%conv4 = zext i1 %cmp to i16
|
||||
store i16 %conv4, i16* @b, align 2
|
||||
ret void
|
||||
}
|
||||
|
||||
declare i32 @g(...)
|
Loading…
Reference in New Issue
Block a user