From fbbccf61f4ef69e5282cebac7df1c4254f76ffc9 Mon Sep 17 00:00:00 2001 From: Nick Lewycky Date: Wed, 6 Jun 2007 04:11:21 +0000 Subject: [PATCH] new testcase for PR1487 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37458 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../2007-06-06-DeleteDanglesPtr.ll | 117 ++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 test/Transforms/IndVarsSimplify/2007-06-06-DeleteDanglesPtr.ll diff --git a/test/Transforms/IndVarsSimplify/2007-06-06-DeleteDanglesPtr.ll b/test/Transforms/IndVarsSimplify/2007-06-06-DeleteDanglesPtr.ll new file mode 100644 index 00000000000..363c98c493b --- /dev/null +++ b/test/Transforms/IndVarsSimplify/2007-06-06-DeleteDanglesPtr.ll @@ -0,0 +1,117 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output +; PR1487 + + %struct.AVClass = type { i8*, i8* (i8*)*, %struct.AVOption* } + %struct.AVCodec = type { i8*, i32, i32, i32, i32 (%struct.AVCodecContext*)*, i32 (%struct.AVCodecContext*, i8*, i32, i8*)*, i32 (%struct.AVCodecContext*)*, i32 (%struct.AVCodecContext*, i8*, i32*, i8*, i32)*, i32, %struct.AVCodec*, void (%struct.AVCodecContext*)*, %struct.AVCodecTag*, i32* } + %struct.AVCodecContext = type { %struct.AVClass*, i32, i32, i32, i32, i32, i8*, i32, %struct.AVCodecTag, i32, i32, i32, i32, i32, void (%struct.AVCodecContext*, %struct.AVFrame*, i32*, i32, i32, i32)*, i32, i32, i32, i32, i32, i32, i32, float, float, i32, i32, i32, i32, float, i32, i32, i32, %struct.AVCodec*, i8*, i32, i32, void (%struct.AVCodecContext*, i8*, i32, i32)*, i32, i32, i32, i32, i32, i32, i32, i32, i32, i8*, [32 x i8], i32, i32, i32, i32, i32, i32, i32, float, i32, i32 (%struct.AVCodecContext*, %struct.AVFrame*)*, void (%struct.AVCodecContext*, %struct.AVFrame*)*, i32, i32, i32, i32, i8*, i8*, float, float, i32, %struct.RcOverride*, i32, i8*, i32, i32, i32, float, float, float, float, i32, float, float, float, float, float, i32, i32, i32, i32*, i32, i32, i32, i32, %struct.AVCodecTag, %struct.AVFrame*, i32, i32, [4 x i64], i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 (%struct.AVCodecContext*, i32*)*, i32, i32, i32, i32, i32, i32, i8*, i32, i32, i32, i32, i32, i32, i16*, i16*, i32, i32, i32, i32, %struct.AVPaletteControl*, i32, i32 (%struct.AVCodecContext*, %struct.AVFrame*)*, i32, i32, i32, i32, i32, i32, i32, i32 (%struct.AVCodecContext*, i32 (%struct.AVCodecContext*, i8*)*, i8**, i32*, i32)*, i8*, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, i32, i32, i32, i32, i32, i32, i32, i32, float, i32, i32, i32, i32, i32, i32, float, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i64 } + %struct.AVCodecTag = type { i32, i32 } + %struct.AVFrame = type { [4 x i8*], [4 x i32], [4 x i8*], i32, i32, i64, i32, i32, i32, i32, i32, i8*, i32, i8*, [2 x [2 x i16]*], i32*, i8, i8*, [4 x i64], i32, i32, i32, i32, i32, %struct.AVPanScan*, i32, i32, i16*, [2 x i8*] } + %struct.AVOption = type { i8*, i8*, i32, i32, double, double, double, i32, i8* } + %struct.AVPaletteControl = type { i32, [256 x i32] } + %struct.AVPanScan = type { i32, i32, i32, [3 x [2 x i16]] } + %struct.RcOverride = type { i32, i32, i32, float } + +define i32 @smc_decode_frame(%struct.AVCodecContext* %avctx, i8* %data, i32* %data_size, i8* %buf, i32 %buf_size) { +entry: + br i1 false, label %cond_next, label %cond_true + +cond_true: ; preds = %entry + ret i32 -1 + +cond_next: ; preds = %entry + br i1 false, label %bb.outer5.split.split.split.us, label %cond_true194.split + +bb.outer5.split.split.split.us: ; preds = %cond_next + br i1 false, label %cond_next188.us503.us, label %bb.us481 + +bb275.us493.us: ; preds = %cond_next188.us503.us, %cond_next188.us503.us + ret i32 0 + +cond_next188.us503.us: ; preds = %bb.outer5.split.split.split.us + switch i32 0, label %bb1401 [ + i32 0, label %cond_next202.bb215_crit_edge.split + i32 16, label %bb215 + i32 32, label %bb275.us493.us + i32 48, label %bb275.us493.us + i32 64, label %cond_next202.bb417_crit_edge.split + i32 80, label %bb417 + i32 96, label %cond_next202.bb615_crit_edge.split + i32 112, label %bb615 + i32 128, label %cond_next202.bb716_crit_edge.split + i32 144, label %bb716 + i32 160, label %cond_next202.bb882_crit_edge.split + i32 176, label %bb882 + i32 192, label %cond_next202.bb1062_crit_edge.split + i32 208, label %bb1062 + i32 224, label %bb1326.us.outer.outer + ] + +bb.us481: ; preds = %bb.outer5.split.split.split.us + ret i32 0 + +cond_true194.split: ; preds = %cond_next + ret i32 %buf_size + +cond_next202.bb1062_crit_edge.split: ; preds = %cond_next188.us503.us + ret i32 0 + +cond_next202.bb882_crit_edge.split: ; preds = %cond_next188.us503.us + ret i32 0 + +cond_next202.bb716_crit_edge.split: ; preds = %cond_next188.us503.us + ret i32 0 + +cond_next202.bb615_crit_edge.split: ; preds = %cond_next188.us503.us + ret i32 0 + +cond_next202.bb417_crit_edge.split: ; preds = %cond_next188.us503.us + ret i32 0 + +cond_next202.bb215_crit_edge.split: ; preds = %cond_next188.us503.us + ret i32 0 + +bb215: ; preds = %cond_next188.us503.us + ret i32 0 + +bb417: ; preds = %cond_next188.us503.us + ret i32 0 + +bb615: ; preds = %cond_next188.us503.us + ret i32 0 + +bb716: ; preds = %cond_next188.us503.us + ret i32 0 + +bb882: ; preds = %cond_next188.us503.us + ret i32 0 + +bb1062: ; preds = %cond_next188.us503.us + ret i32 0 + +bb1326.us: ; preds = %bb1326.us.outer.outer, %bb1347.loopexit.us, %bb1326.us + %pixel_y.162036.us.ph = phi i32 [ %tmp1352.us, %bb1347.loopexit.us ], [ 0, %bb1326.us.outer.outer ], [ %pixel_y.162036.us.ph, %bb1326.us ] ; [#uses=2] + %stream_ptr.142038.us.ph = phi i32 [ %tmp1339.us, %bb1347.loopexit.us ], [ %stream_ptr.142038.us.ph.ph, %bb1326.us.outer.outer ], [ %stream_ptr.142038.us.ph, %bb1326.us ] ; [#uses=2] + %pixel_x.232031.us = phi i32 [ %tmp1341.us, %bb1326.us ], [ 0, %bb1326.us.outer.outer ], [ 0, %bb1347.loopexit.us ] ; [#uses=3] + %block_ptr.222030.us = add i32 0, %pixel_x.232031.us ; [#uses=1] + %stream_ptr.132032.us = add i32 %pixel_x.232031.us, %stream_ptr.142038.us.ph ; [#uses=1] + %tmp1341.us = add i32 %pixel_x.232031.us, 1 ; [#uses=2] + %tmp1344.us = icmp slt i32 %tmp1341.us, 4 ; [#uses=1] + br i1 %tmp1344.us, label %bb1326.us, label %bb1347.loopexit.us + +bb1347.loopexit.us: ; preds = %bb1326.us + %tmp1339.us = add i32 %stream_ptr.132032.us, 1 ; [#uses=2] + %tmp1337.us = add i32 %block_ptr.222030.us, 1 ; [#uses=0] + %tmp1352.us = add i32 %pixel_y.162036.us.ph, 1 ; [#uses=2] + %tmp1355.us = icmp slt i32 %tmp1352.us, 4 ; [#uses=1] + br i1 %tmp1355.us, label %bb1326.us, label %bb1358 + +bb1358: ; preds = %bb1347.loopexit.us + br label %bb1326.us.outer.outer + +bb1326.us.outer.outer: ; preds = %bb1358, %cond_next188.us503.us + %stream_ptr.142038.us.ph.ph = phi i32 [ %tmp1339.us, %bb1358 ], [ 0, %cond_next188.us503.us ] ; [#uses=1] + br label %bb1326.us + +bb1401: ; preds = %cond_next188.us503.us + ret i32 0 +}