diff options
| author | Adam Nemet <anemet@apple.com> | 2016-02-22 21:41:22 +0000 |
|---|---|---|
| committer | Adam Nemet <anemet@apple.com> | 2016-02-22 21:41:22 +0000 |
| commit | fddbd94e1db4ab45eff7bbb1b1f7e63b5896b41b (patch) | |
| tree | ed1fe3c9e8d9b429724af26e3c57e830c30df564 /test/Transforms/LoopDataPrefetch | |
| parent | 110284e56c34f47f235b204f62bfb3994340262f (diff) | |
[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
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@261578 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/LoopDataPrefetch')
| -rw-r--r-- | test/Transforms/LoopDataPrefetch/PowerPC/basic.ll | 25 | ||||
| -rw-r--r-- | test/Transforms/LoopDataPrefetch/PowerPC/lit.local.cfg | 2 |
2 files changed, 27 insertions, 0 deletions
diff --git a/test/Transforms/LoopDataPrefetch/PowerPC/basic.ll b/test/Transforms/LoopDataPrefetch/PowerPC/basic.ll new file mode 100644 index 00000000000..772ecae74b4 --- /dev/null +++ b/test/Transforms/LoopDataPrefetch/PowerPC/basic.ll @@ -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 +} diff --git a/test/Transforms/LoopDataPrefetch/PowerPC/lit.local.cfg b/test/Transforms/LoopDataPrefetch/PowerPC/lit.local.cfg new file mode 100644 index 00000000000..091332439b1 --- /dev/null +++ b/test/Transforms/LoopDataPrefetch/PowerPC/lit.local.cfg @@ -0,0 +1,2 @@ +if not 'PowerPC' in config.root.targets: + config.unsupported = True |