diff options
Diffstat (limited to 'llvm/test/Transforms/LoopIdiom/basic.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopIdiom/basic.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopIdiom/basic.ll b/llvm/test/Transforms/LoopIdiom/basic.ll index a94aaf18faa..ead2e6f11cd 100644 --- a/llvm/test/Transforms/LoopIdiom/basic.ll +++ b/llvm/test/Transforms/LoopIdiom/basic.ll @@ -273,3 +273,30 @@ for.end13: ; preds = %for.inc10 ; CHECK-NOT: store ; CHECK: ret void } + +; On darwin10 (which is the triple in this .ll file) this loop can be turned +; into a memset_pattern call. +; rdar://9009151 +define void @test11(i32* nocapture %P) nounwind ssp { +entry: + br label %for.body + +for.body: ; preds = %entry, %for.body + %indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.body ] + %arrayidx = getelementptr i32* %P, i64 %indvar + store i32 1, i32* %arrayidx, align 4 + %indvar.next = add i64 %indvar, 1 + %exitcond = icmp eq i64 %indvar.next, 10000 + br i1 %exitcond, label %for.end, label %for.body + +for.end: ; preds = %for.body + ret void +; CHECK: @test11 +; CHECK-NEXT: entry: +; CHECK-NEXT: bitcast +; CHECK-NEXT: memset_pattern +; CHECK-NOT: store +; CHECK: ret void +} + + |
