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| author | dim <dim@FreeBSD.org> | 2011-02-20 12:57:14 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2011-02-20 12:57:14 +0000 |
| commit | cbb70ce070d220642b038ea101d9c0f9fbf860d6 (patch) | |
| tree | d2b61ce94e654cb01a254d2195259db5f9cc3f3c /test/Transforms/LoopRotate/basic.ll | |
| parent | 4ace901e87dac5bbbac78ed325e75462e48e386e (diff) | |
| download | FreeBSD-src-cbb70ce070d220642b038ea101d9c0f9fbf860d6.zip FreeBSD-src-cbb70ce070d220642b038ea101d9c0f9fbf860d6.tar.gz | |
Vendor import of llvm trunk r126079:
http://llvm.org/svn/llvm-project/llvm/trunk@126079
Diffstat (limited to 'test/Transforms/LoopRotate/basic.ll')
| -rw-r--r-- | test/Transforms/LoopRotate/basic.ll | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/Transforms/LoopRotate/basic.ll b/test/Transforms/LoopRotate/basic.ll new file mode 100644 index 0000000..b7bcb21 --- /dev/null +++ b/test/Transforms/LoopRotate/basic.ll @@ -0,0 +1,35 @@ +; RUN: opt -S -loop-rotate %s | FileCheck %s +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" +target triple = "x86_64-apple-darwin10.0.0" + +; PR5319 - The "arrayidx" gep should be hoisted, not duplicated. We should +; end up with one phi node. +define void @test1() nounwind ssp { +; CHECK: @test1 +entry: + %array = alloca [20 x i32], align 16 + br label %for.cond + +for.cond: ; preds = %for.body, %entry + %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ] + %cmp = icmp slt i32 %i.0, 100 + %arrayidx = getelementptr inbounds [20 x i32]* %array, i64 0, i64 0 + br i1 %cmp, label %for.body, label %for.end + +; CHECK: for.body: +; CHECK-NEXT: phi i32 [ 0 +; CHECK-NEXT: store i32 0 + +for.body: ; preds = %for.cond + store i32 0, i32* %arrayidx, align 16 + %inc = add nsw i32 %i.0, 1 + br label %for.cond + +for.end: ; preds = %for.cond + %arrayidx.lcssa = phi i32* [ %arrayidx, %for.cond ] + call void @g(i32* %arrayidx.lcssa) nounwind + ret void +} + +declare void @g(i32*) + |
