[LoopDataPrefetch] Make it testable with opt
Summary: Since this is an IR pass it's nice to be able to write tests without llc. This is the counterpart of the llc test under CodeGen/PowerPC/loop-data-prefetch.ll. Reviewers: hfinkel Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D17464 llvm-svn: 261578
This commit is contained in:
parent
d84f600653
commit
fb31d580ea
|
@ -163,6 +163,7 @@ void initializeLiveStacksPass(PassRegistry&);
|
||||||
void initializeLiveVariablesPass(PassRegistry&);
|
void initializeLiveVariablesPass(PassRegistry&);
|
||||||
void initializeLoaderPassPass(PassRegistry&);
|
void initializeLoaderPassPass(PassRegistry&);
|
||||||
void initializeLocalStackSlotPassPass(PassRegistry&);
|
void initializeLocalStackSlotPassPass(PassRegistry&);
|
||||||
|
void initializeLoopDataPrefetchPass(PassRegistry&);
|
||||||
void initializeLoopPassPass(PassRegistry&);
|
void initializeLoopPassPass(PassRegistry&);
|
||||||
void initializeLoopDeletionPass(PassRegistry&);
|
void initializeLoopDeletionPass(PassRegistry&);
|
||||||
void initializeLoopExtractorPass(PassRegistry&);
|
void initializeLoopExtractorPass(PassRegistry&);
|
||||||
|
|
|
@ -47,6 +47,7 @@ void llvm::initializeScalarOpts(PassRegistry &Registry) {
|
||||||
initializeIndVarSimplifyPass(Registry);
|
initializeIndVarSimplifyPass(Registry);
|
||||||
initializeJumpThreadingPass(Registry);
|
initializeJumpThreadingPass(Registry);
|
||||||
initializeLICMPass(Registry);
|
initializeLICMPass(Registry);
|
||||||
|
initializeLoopDataPrefetchPass(Registry);
|
||||||
initializeLoopDeletionPass(Registry);
|
initializeLoopDeletionPass(Registry);
|
||||||
initializeLoopAccessAnalysisPass(Registry);
|
initializeLoopAccessAnalysisPass(Registry);
|
||||||
initializeLoopInstSimplifyPass(Registry);
|
initializeLoopInstSimplifyPass(Registry);
|
||||||
|
|
|
@ -0,0 +1,25 @@
|
||||||
|
; RUN: opt -mcpu=a2 -loop-data-prefetch -S < %s | FileCheck %s
|
||||||
|
target datalayout = "E-m:e-i64:64-n32:64"
|
||||||
|
target triple = "powerpc64-bgq-linux"
|
||||||
|
|
||||||
|
define void @foo(double* nocapture %a, double* nocapture readonly %b) {
|
||||||
|
entry:
|
||||||
|
br label %for.body
|
||||||
|
|
||||||
|
; CHECK: for.body:
|
||||||
|
for.body: ; preds = %for.body, %entry
|
||||||
|
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
||||||
|
%arrayidx = getelementptr inbounds double, double* %b, i64 %indvars.iv
|
||||||
|
; CHECK: call void @llvm.prefetch
|
||||||
|
%0 = load double, double* %arrayidx, align 8
|
||||||
|
%add = fadd double %0, 1.000000e+00
|
||||||
|
%arrayidx2 = getelementptr inbounds double, double* %a, i64 %indvars.iv
|
||||||
|
store double %add, double* %arrayidx2, align 8
|
||||||
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
||||||
|
%exitcond = icmp eq i64 %indvars.iv.next, 1600
|
||||||
|
br i1 %exitcond, label %for.end, label %for.body
|
||||||
|
|
||||||
|
; CHECK: for.end:
|
||||||
|
for.end: ; preds = %for.body
|
||||||
|
ret void
|
||||||
|
}
|
|
@ -0,0 +1,2 @@
|
||||||
|
if not 'PowerPC' in config.root.targets:
|
||||||
|
config.unsupported = True
|
Loading…
Reference in New Issue