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| author | Bill Wendling <isanbard@gmail.com> | 2007-10-02 21:01:16 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2007-10-02 21:01:16 +0000 |
| commit | 6dbb1b59ae4e0d144b38ddfe22bef128e3e73522 (patch) | |
| tree | 9432173877892c302416a6be4983595bd6a26cff | |
| parent | 8d1c8ce3d85d006fb228bfe04aa2a8b53bb6bda2 (diff) | |
Now with source code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42548 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/README-SSE.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/Target/X86/README-SSE.txt b/lib/Target/X86/README-SSE.txt index 20e5a91dc5..653a35a7c1 100644 --- a/lib/Target/X86/README-SSE.txt +++ b/lib/Target/X86/README-SSE.txt @@ -673,6 +673,22 @@ beneficial because it prevents the load from being folded into the multiply. In this loop: +bb49: ; preds = %bb49, %bb49.preheader + %indvar = phi i32 [ 0, %bb49.preheader ], [ %indvar.next, %bb49 ] ; <i32> [#uses=2] + %dp.089.0.rec = shl i32 %indvar, 3 ; <i32> [#uses=2] + %dp.089.0 = getelementptr i32* %tmp89, i32 %dp.089.0.rec ; <i32*> [#uses=1] + %tmp5051 = bitcast i32* %dp.089.0 to <2 x i64>* ; <<2 x i64>*> [#uses=1] + store <2 x i64> zeroinitializer, <2 x i64>* %tmp5051, align 16 + %dp.089.0.sum105 = or i32 %dp.089.0.rec, 4 ; <i32> [#uses=1] + %tmp56 = getelementptr i32* %tmp89, i32 %dp.089.0.sum105 ; <i32*> [#uses=1] + %tmp5657 = bitcast i32* %tmp56 to <2 x i64>* ; <<2 x i64>*> [#uses=1] + store <2 x i64> zeroinitializer, <2 x i64>* %tmp5657, align 16 + %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2] + %exitcond = icmp eq i32 %indvar.next, %tmp98 ; <i1> [#uses=1] + br i1 %exitcond, label %bb72, label %bb49 + +we get: + LBB4_6: # bb47.preheader shlw $2, %si decw %si |