[llvm] r186364 - PEI: Support for non-zero SPAdj at beginning of a basic block.
Francois Pichet
pichet2000 at gmail.com
Wed Oct 23 10:13:57 PDT 2013
Hi, this change break the Opus DSP out of tree backend. (we just updated to
trunk)
The reason is that the Opus DSP backend end up creating a new BasicBlock
in eliminateCallFramePseudoInstr (called by replaceFrameIndices)
Your change assume that the no new BBs are created in replaceFrameIndices
Because:
SmallVector<int, 8> SPState;
SPState.resize(Fn.getNumBlockIDs());
SPState won't change size.
Is it reasonable to change your loop to be able to deal with new BasicBlock
created during replaceFrameIndices. It might not be I haven't really
analyzed everything but it is working if I revert this specific commit.
On Mon, Jul 15, 2013 at 7:47 PM, Manman Ren <mren at apple.com> wrote:
> Author: mren
> Date: Mon Jul 15 18:47:29 2013
> New Revision: 186364
>
> URL: http://llvm.org/viewvc/llvm-project?rev=186364&view=rev
> Log:
> PEI: Support for non-zero SPAdj at beginning of a basic block.
>
> We can have a FrameSetup in one basic block and the matching FrameDestroy
> in a different basic block when we have struct byval. In that case, SPAdj
> is not zero at beginning of the basic block.
>
> Modify PEI to correctly set SPAdj at beginning of each basic block using
> DFS traversal. We used to assume SPAdj is 0 at beginning of each basic
> block.
>
> PEI had an assert SPAdjCount || SPAdj == 0.
> If we have a Destroy <n> followed by a Setup <m>, PEI will assert failure.
> We can add an extra condition to make sure the pairs are matched:
> The pairs start with a FrameSetup.
> But since we are doing a much better job in the verifier, this patch
> removes
> the check in PEI.
>
> PR16393
>
> Added:
> llvm/trunk/test/CodeGen/ARM/2013-06-03-ByVal-2Kbytes.ll
> llvm/trunk/test/CodeGen/ARM/struct-byval-frame-index.ll
> Modified:
> llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp
>
> Modified: llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp?rev=186364&r1=186363&r2=186364&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp (original)
> +++ llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp Mon Jul 15 18:47:29
> 2013
> @@ -728,7 +728,33 @@ void PEI::insertPrologEpilogCode(Machine
> void PEI::replaceFrameIndices(MachineFunction &Fn) {
> if (!Fn.getFrameInfo()->hasStackObjects()) return; // Nothing to do?
>
> + // Store SPAdj at exit of a basic block.
> + SmallVector<int, 8> SPState;
> + SPState.resize(Fn.getNumBlockIDs());
> + SmallPtrSet<MachineBasicBlock*, 8> Reachable;
> +
> + // Iterate over the reachable blocks in DFS order.
> + for (df_ext_iterator<MachineFunction*, SmallPtrSet<MachineBasicBlock*,
> 8> >
> + DFI = df_ext_begin(&Fn, Reachable), DFE = df_ext_end(&Fn,
> Reachable);
> + DFI != DFE; ++DFI) {
> + int SPAdj = 0;
> + // Check the exit state of the DFS stack predecessor.
> + if (DFI.getPathLength() >= 2) {
> + MachineBasicBlock *StackPred = DFI.getPath(DFI.getPathLength() - 2);
> + assert(Reachable.count(StackPred) &&
> + "DFS stack predecessor is already visited.\n");
> + SPAdj = SPState[StackPred->getNumber()];
> + }
> + MachineBasicBlock *BB = *DFI;
> + replaceFrameIndices(BB, Fn, SPAdj);
> + SPState[BB->getNumber()] = SPAdj;
> + }
> +
> + // Handle the unreachable blocks.
> for (MachineFunction::iterator BB = Fn.begin(), E = Fn.end(); BB != E;
> ++BB) {
> + if (Reachable.count(BB))
> + // Already handled in DFS traversal.
> + continue;
> int SPAdj = 0;
> replaceFrameIndices(BB, Fn, SPAdj);
> }
> @@ -746,19 +772,12 @@ void PEI::replaceFrameIndices(MachineBas
> int FrameSetupOpcode = TII.getCallFrameSetupOpcode();
> int FrameDestroyOpcode = TII.getCallFrameDestroyOpcode();
>
> -#ifndef NDEBUG
> - int SPAdjCount = 0; // frame setup / destroy count.
> -#endif
> if (RS && !FrameIndexVirtualScavenging) RS->enterBasicBlock(BB);
>
> for (MachineBasicBlock::iterator I = BB->begin(); I != BB->end(); ) {
>
> if (I->getOpcode() == FrameSetupOpcode ||
> I->getOpcode() == FrameDestroyOpcode) {
> -#ifndef NDEBUG
> - // Track whether we see even pairs of them
> - SPAdjCount += I->getOpcode() == FrameSetupOpcode ? 1 : -1;
> -#endif
> // Remember how much SP has been adjusted to create the call
> // frame.
> int Size = I->getOperand(0).getImm();
> @@ -833,14 +852,6 @@ void PEI::replaceFrameIndices(MachineBas
> // Update register states.
> if (RS && !FrameIndexVirtualScavenging && MI) RS->forward(MI);
> }
> -
> - // If we have evenly matched pairs of frame setup / destroy
> instructions,
> - // make sure the adjustments come out to zero. If we don't have matched
> - // pairs, we can't be sure the missing bit isn't in another basic block
> - // due to a custom inserter playing tricks, so just asserting SPAdj==0
> - // isn't sufficient. See tMOVCC on Thumb1, for example.
> - assert((SPAdjCount || SPAdj == 0) &&
> - "Unbalanced call frame setup / destroy pairs?");
> }
>
> /// scavengeFrameVirtualRegs - Replace all frame index virtual registers
>
> Added: llvm/trunk/test/CodeGen/ARM/2013-06-03-ByVal-2Kbytes.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/2013-06-03-ByVal-2Kbytes.ll?rev=186364&view=auto
>
> ==============================================================================
> --- llvm/trunk/test/CodeGen/ARM/2013-06-03-ByVal-2Kbytes.ll (added)
> +++ llvm/trunk/test/CodeGen/ARM/2013-06-03-ByVal-2Kbytes.ll Mon Jul 15
> 18:47:29 2013
> @@ -0,0 +1,30 @@
> +; RUN: llc < %s -mcpu=cortex-a15 | FileCheck %s
> +; ModuleID = 'attri_16.c'
> +target datalayout =
> "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:128-a0:0:64-n32-S64"
> +target triple = "armv4t--linux-gnueabihf"
> +
> +%big_struct0 = type { [517 x i32] }
> +%big_struct1 = type { [516 x i32] }
> +
> +;CHECK: f:
> +define void @f(%big_struct0* %p0, %big_struct1* %p1) {
> +
> +;CHECK: sub sp, sp, #8
> +;CHECK: sub sp, sp, #2048
> +;CHECK: bl callme0
> + call void @callme0(%big_struct0* byval %p0)
> +
> +;CHECK: add sp, sp, #8
> +;CHECK: add sp, sp, #2048
> +;CHECK: sub sp, sp, #2048
> +;CHECK: bl callme1
> + call void @callme1(%big_struct1* byval %p1)
> +
> +;CHECK: add sp, sp, #2048
> +
> + ret void
> +}
> +
> +declare void @callme0(%big_struct0* byval)
> +declare void @callme1(%big_struct1* byval)
> +
>
> Added: llvm/trunk/test/CodeGen/ARM/struct-byval-frame-index.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/struct-byval-frame-index.ll?rev=186364&view=auto
>
> ==============================================================================
> --- llvm/trunk/test/CodeGen/ARM/struct-byval-frame-index.ll (added)
> +++ llvm/trunk/test/CodeGen/ARM/struct-byval-frame-index.ll Mon Jul 15
> 18:47:29 2013
> @@ -0,0 +1,224 @@
> +; RUN: llc < %s -mcpu=cortex-a15 -verify-machineinstrs | FileCheck %s
> +
> +; Check a spill right after a function call with large struct byval is
> correctly
> +; generated.
> +; PR16393
> +
> +; CHECK: set_stored_macroblock_parameters
> +; CHECK: str r{{.*}}, [sp, [[SLOT:#[0-9]+]]] @ 4-byte Spill
> +; CHECK: bl RestoreMVBlock8x8
> +; CHECK: bl RestoreMVBlock8x8
> +; CHECK: bl RestoreMVBlock8x8
> +; CHECK: ldr r{{.*}}, [sp, [[SLOT]]] @ 4-byte Reload
> +
> +target triple = "armv7l-unknown-linux-gnueabihf"
> +
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> %struct.BiContextType.5.149.293.437.549.693.885.901.933.981.1029.1061.1093.1173.1285.2677.2693.2709.2725.2741.2757.2773.2789.2805.2853.2869.2885.2901.2917.2933.2949.2965.2981.2997.3013.3029.3045.3061.3077.3093.3173.3253.3269.3397.3445],
> [3 x [4 x
> %struct.BiContextType.5.149.293.437.549.693.885.901.933.981.1029.1061.1093.1173.1285.2677.2693.2709.2725.2741.2757.2773.2789.2805.2853.2869.2885.2901.2917.2933.2949.2965.2981.2997.3013.3029.3045.3061.3077.3093.3173.3253.3269.3397.3445]],
> [10 x !
> [4 x %str
> uct.BiContextType.5.149.293.437.549.693.885.901.933.981.1029.1061.1093.1173.1285.2677.2693.2709.2725.2741.2757.2773.2789.2805.2853.2869.2885.2901.2917.2933.2949.2965.2981.2997.3013.3029.3045.3061.3077.3093.3173.3253.3269.3397.3445]],
> [10 x [15 x
> %struct.BiContextType.5.149.293.437.549.693.885.901.933.981.1029.1061.1093.1173.1285.2677.2693.2709.2725.2741.2757.2773.2789.2805.2853.2869.2885.2901.2917.2933.2949.2965.2981.2997.3013.3029.3045.3061.3077.3093.3173.3253.3269.3397.3445]],
> [10 x [15 x
> %struct.BiContextType.5.149.293.437.549.693.885.901.933.981.1029.1061.1093.1173.1285.2677.2693.2709.2725.2741.2757.2773.2789.2805.2853.2869.2885.2901.2917.2933.2949.2965.2981.2997.3013.3029.3045.3061.3077.3093.3173.3253.3269.3397.3445]],
> [10 x [5 x
> %struct.BiContextType.5.149.293.437.549.693.885.901.933.981.1029.1061.1093.1173.1285.2677.2693.2709.2725.2741.2757.2773.2789.2805.2853.2869.2885.2901.2917.2933.2949.2965.2981.2997.3013.3029.3045.3061.3077.3093.3173.3253.3269.3397.3445]],
> [10 x!
> [5 x %st
> ruct.BiContextType.5.149.293.437.549.693.885.901.933.981.1029.1061.1093.1173.1285.2677.2693.2709.2725.2741.2757.2773.2789.2805.2853.2869.2885.2901.2917.2933.2949.2965.2981.2997.3013.3029.3045.3061.3077.3093.3173.3253.3269.3397.3445]],
> [10 x [15 x
> %struct.BiContextType.5.149.293.437.549.693.885.901.933.981.1029.1061.1093.1173.1285.2677.2693.2709.2725.2741.2757.2773.2789.2805.2853.2869.2885.2901.2917.2933.2949.2965.2981.2997.3013.3029.3045.3061.3077.3093.3173.3253.3269.3397.3445]],
> [10 x [15 x
> %struct.BiContextType.5.149.293.437.549.693.885.901.933.981.1029.1061.1093.1173.1285.2677.2693.2709.2725.2741.2757.2773.2789.2805.2853.2869.2885.2901.2917.2933.2949.2965.2981.2997.3013.3029.3045.3061.3077.3093.3173.3253.3269.3397.3445]]
> }
> +%struct.macroblock.10.154.298.442.554.698.890.906.938.986.1034.1066.1098.1178.1290.2682.2698.2714.2730.2746.2762.2778.2794.2810.2858.2874.2890.2906.2922.2938.2954.2970.2986.3002.3018.3034.3050.3066.3082.3098.3178.3258.3274.3402.3450
> = type { i32, i32, i32, [2 x i32], i32, [8 x i32],
> %struct.macroblock.10.154.298.442.554.698.890.906.938.986.1034.1066.1098.1178.1290.2682.2698.2714.2730.2746.2762.2778.2794.2810.2858.2874.2890.2906.2922.2938.2954.2970.2986.3002.3018.3034.3050.3066.3082.3098.3178.3258.3274.3402.3450*,
> %struct.macroblock.10.154.298.442.554.698.890.906.938.986.1034.1066.1098.1178.1290.2682.2698.2714.2730.2746.2762.2778.2794.2810.2858.2874.2890.2906.2922.2938.2954.2970.2986.3002.3018.3034.3050.3066.3082.3098.3178.3258.3274.3402.3450*,
> i32, [2 x [4 x [4 x [2 x i32]]]], [16 x i8], [16 x i8], i32, i64, [4 x
> i32], [4 x i32], i64, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32,
> i32, i32, i32, i32, i32, i32, i16, double, i32, i32, i32, i32, i32, i32,
> i32, i32, i32 }
> +%struct.DecRefPicMarking_s.11.155.299.443.555.699.891.907.939.987.1035.1067.1099.1179.1291.2683.2699.2715.2731.2747.2763.2779.2795.2811.2859.2875.2891.2907.2923.2939.2955.2971.2987.3003.3019.3035.3051.3067.3083.3099.3179.3259.3275.3403.3451
> = type { i32, i32, i32, i32, i32,
> %struct.DecRefPicMarking_s.11.155.299.443.555.699.891.907.939.987.1035.1067.1099.1179.1291.2683.2699.2715.2731.2747.2763.2779.2795.2811.2859.2875.2891.2907.2923.2939.2955.2971.2987.3003.3019.3035.3051.3067.3083.3099.3179.3259.3275.3403.3451*
> }
> +%struct.storable_picture.13.157.301.445.557.701.893.909.941.989.1037.1069.1101.1181.1293.2685.2701.2717.2733.2749.2765.2781.2797.2813.2861.2877.2893.2909.2925.2941.2957.2973.2989.3005.3021.3037.3053.3069.3085.3101.3181.3261.3277.3405.3453
> = type { i32, i32, i32, i32, i32, i32, [6 x [33 x i64]], [6 x [33 x i64]],
> [6 x [33 x i64]], [6 x [33 x i64]], i32, i32, i32, i32, i32, i32, i32, i32,
> i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i16**, i16****,
> i16****, i16*****, i16***, i8*, i8***, i64***, i64***, i16****, i8**, i8**,
> %struct.storable_picture.13.157.301.445.557.701.893.909.941.989.1037.1069.1101.1181.1293.2685.2701.2717.2733.2749.2765.2781.2797.2813.2861.2877.2893.2909.2925.2941.2957.2973.2989.3005.3021.3037.3053.3069.3085.3101.3181.3261.3277.3405.3453*,
> %struct.storable_picture.13.157.301.445.557.701.893.909.941.989.1037.1069.1101.1181.1293.2685.2701.2717.2733.2749.2765.2781.2797.2813.2861.2877.2893.2909.2925.2941.2957.2973.2989.3005.3021.3037.3053.3069.3085.3!
> 101.3181.
> 3261.3277.3405.3453*,
> %struct.storable_picture.13.157.301.445.557.701.893.909.941.989.1037.1069.1101.1181.1293.2685.2701.2717.2733.2749.2765.2781.2797.2813.2861.2877.2893.2909.2925.2941.2957.2973.2989.3005.3021.3037.3053.3069.3085.3101.3181.3261.3277.3405.3453*,
> i32, i32, i32, i32, i32, i32, i32 }
> +%struct.RD_8x8DATA.15.159.303.447.559.703.895.911.943.991.1039.1071.1103.1183.1295.2687.2703.2719.2735.2751.2767.2783.2799.2815.2863.2879.2895.2911.2927.2943.2959.2975.2991.3007.3023.3039.3055.3071.3087.3103.3183.3263.3279.3407.3455
> = type { i32, [16 x [16 x i32]], [16 x [16 x i32]], [16 x [16 x i32]], [3 x
> [16 x [16 x i32]]], [4 x i16], [4 x i8], [4 x i8], [4 x i8], [16 x [16 x
> i16]], [16 x [16 x i16]], [16 x [16 x i32]] }
> +
> + at cofAC = external global i32****, align 4
> + at cofDC = external global i32***, align 4
> + at rdopt = external global
> %struct.RD_DATA.1.145.289.433.545.689.881.897.929.977.1025.1057.1089.1169.1281.2673.2689.2705.2721.2737.2753.2769.2785.2801.2849.2865.2881.2897.2913.2929.2945.2961.2977.2993.3009.3025.3041.3057.3073.3089.3169.3249.3265.3393.3441*,
> align 4
> + at img = external global
> %struct.ImageParameters.12.156.300.444.556.700.892.908.940.988.1036.1068.1100.1180.1292.2684.2700.2716.2732.2748.2764.2780.2796.2812.2860.2876.2892.2908.2924.2940.2956.2972.2988.3004.3020.3036.3052.3068.3084.3100.3180.3260.3276.3404.3452*
> + at enc_picture = external global
> %struct.storable_picture.13.157.301.445.557.701.893.909.941.989.1037.1069.1101.1181.1293.2685.2701.2717.2733.2749.2765.2781.2797.2813.2861.2877.2893.2909.2925.2941.2957.2973.2989.3005.3021.3037.3053.3069.3085.3101.3181.3261.3277.3405.3453*
> + at si_frame_indicator = external global i32, align 4
> + at sp2_frame_indicator = external global i32, align 4
> + at lrec = external global i32**, align 4
> + at tr8x8 = external global
> %struct.RD_8x8DATA.15.159.303.447.559.703.895.911.943.991.1039.1071.1103.1183.1295.2687.2703.2719.2735.2751.2767.2783.2799.2815.2863.2879.2895.2911.2927.2943.2959.2975.2991.3007.3023.3039.3055.3071.3087.3103.3183.3263.3279.3407.3455,
> align 4
> + at best_mode = external global i16, align 2
> + at best_c_imode = external global i32, align 4
> + at best_i16offset = external global i32, align 4
> + at bi_pred_me = external global i16, align 2
> + at b8mode = external global [4 x i32], align 4
> + at b8pdir = external global [4 x i32], align 4
> + at b4_intra_pred_modes = external global [16 x i8], align 1
> + at b8_intra_pred_modes8x8 = external global [16 x i8], align 1
> + at b4_ipredmode = external global [16 x i8], align 1
> + at b8_ipredmode8x8 = external global [4 x [4 x i8]], align 1
> + at rec_mbY = external global [16 x [16 x i16]], align 2
> + at lrec_rec = external global [16 x [16 x i32]], align 4
> + at rec_mbU = external global [16 x [16 x i16]], align 2
> + at rec_mbV = external global [16 x [16 x i16]], align 2
> + at lrec_rec_U = external global [16 x [16 x i32]], align 4
> + at lrec_uv = external global i32***, align 4
> + at lrec_rec_V = external global [16 x [16 x i32]], align 4
> + at cbp = external global i32, align 4
> + at cbp_blk = external global i64, align 8
> + at luma_transform_size_8x8_flag = external global i32, align 4
> + at frefframe = external global [4 x [4 x i8]], align 1
> + at brefframe = external global [4 x [4 x i8]], align 1
> +
> +; Function Attrs: nounwind
> +declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture,
> i32, i32, i1) #0
> +
> +; Function Attrs: nounwind
> +declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) #0
> +
> +; Function Attrs: nounwind
> +declare void
> @SetMotionVectorsMB(%struct.macroblock.10.154.298.442.554.698.890.906.938.986.1034.1066.1098.1178.1290.2682.2698.2714.2730.2746.2762.2778.2794.2810.2858.2874.2890.2906.2922.2938.2954.2970.2986.3002.3018.3034.3050.3066.3082.3098.3178.3258.3274.3402.3450*
> nocapture, i32) #1
> +
> +; Function Attrs: nounwind
> +define void @set_stored_macroblock_parameters() #1 {
> +entry:
> + %0 = load
> %struct.ImageParameters.12.156.300.444.556.700.892.908.940.988.1036.1068.1100.1180.1292.2684.2700.2716.2732.2748.2764.2780.2796.2812.2860.2876.2892.2908.2924.2940.2956.2972.2988.3004.3020.3036.3052.3068.3084.3100.3180.3260.3276.3404.3452**
> @img, align 4, !tbaa !0
> + %1 = load i32* undef, align 4, !tbaa !3
> + %mb_data = getelementptr inbounds
> %struct.ImageParameters.12.156.300.444.556.700.892.908.940.988.1036.1068.1100.1180.1292.2684.2700.2716.2732.2748.2764.2780.2796.2812.2860.2876.2892.2908.2924.2940.2956.2972.2988.3004.3020.3036.3052.3068.3084.3100.3180.3260.3276.3404.3452*
> %0, i32 0, i32 61
> + %2 = load
> %struct.macroblock.10.154.298.442.554.698.890.906.938.986.1034.1066.1098.1178.1290.2682.2698.2714.2730.2746.2762.2778.2794.2810.2858.2874.2890.2906.2922.2938.2954.2970.2986.3002.3018.3034.3050.3066.3082.3098.3178.3258.3274.3402.3450**
> %mb_data, align 4, !tbaa !0
> + br label %for.body
> +
> +for.body: ; preds = %for.body,
> %entry
> + br i1 undef, label %for.end, label %for.body
> +
> +for.end: ; preds = %for.body
> + br i1 undef, label %for.body20, label %if.end
> +
> +for.body20: ; preds = %for.end
> + unreachable
> +
> +if.end: ; preds = %for.end
> + br i1 undef, label %if.end40, label %for.cond31.preheader
> +
> +for.cond31.preheader: ; preds = %if.end
> + unreachable
> +
> +if.end40: ; preds = %if.end
> + br i1 undef, label %if.end43, label %if.then42
> +
> +if.then42: ; preds = %if.end40
> + br label %if.end43
> +
> +if.end43: ; preds = %if.then42,
> %if.end40
> + br i1 undef, label %if.end164, label %for.cond47.preheader
> +
> +for.cond47.preheader: ; preds = %if.end43
> + br i1 undef, label %for.body119, label %if.end164
> +
> +for.body119: ; preds = %for.body119,
> %for.cond47.preheader
> + br i1 undef, label %for.body119, label %if.end164
> +
> +if.end164: ; preds = %for.body119,
> %for.cond47.preheader, %if.end43
> + store i32*** null, i32**** @cofDC, align 4, !tbaa !0
> + %mb_type = getelementptr inbounds
> %struct.macroblock.10.154.298.442.554.698.890.906.938.986.1034.1066.1098.1178.1290.2682.2698.2714.2730.2746.2762.2778.2794.2810.2858.2874.2890.2906.2922.2938.2954.2970.2986.3002.3018.3034.3050.3066.3082.3098.3178.3258.3274.3402.3450*
> %2, i32 %1, i32 8
> + br i1 undef, label %if.end230, label %if.then169
> +
> +if.then169: ; preds = %if.end164
> + br i1 undef, label %for.cond185.preheader, label %for.cond210.preheader
> +
> +for.cond185.preheader: ; preds = %if.then169
> + unreachable
> +
> +for.cond210.preheader: ; preds = %if.then169
> + unreachable
> +
> +if.end230: ; preds = %if.end164
> + tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* undef, i8* bitcast ([4 x
> i32]* @b8mode to i8*), i32 16, i32 4, i1 false)
> + %b8pdir = getelementptr inbounds
> %struct.macroblock.10.154.298.442.554.698.890.906.938.986.1034.1066.1098.1178.1290.2682.2698.2714.2730.2746.2762.2778.2794.2810.2858.2874.2890.2906.2922.2938.2954.2970.2986.3002.3018.3034.3050.3066.3082.3098.3178.3258.3274.3402.3450*
> %2, i32 %1, i32 15
> + %3 = bitcast [4 x i32]* %b8pdir to i8*
> + tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %3, i8* bitcast ([4 x
> i32]* @b8pdir to i8*), i32 16, i32 4, i1 false)
> + br i1 undef, label %if.end236, label %if.then233
> +
> +if.then233: ; preds = %if.end230
> + unreachable
> +
> +if.end236: ; preds = %if.end230
> + %cmp242 = icmp ne i16 undef, 8
> + %4 = load i32* @luma_transform_size_8x8_flag, align 4, !tbaa !3
> + %tobool245 = icmp ne i32 %4, 0
> + %or.cond812 = or i1 %cmp242, %tobool245
> + br i1 %or.cond812, label %if.end249, label %land.lhs.true246
> +
> +land.lhs.true246: ; preds = %if.end236
> + br i1 undef, label %if.end249, label %if.then248
> +
> +if.then248: ; preds =
> %land.lhs.true246
> + tail call void @RestoreMVBlock8x8(i32 1, i32 0,
> %struct.RD_8x8DATA.15.159.303.447.559.703.895.911.943.991.1039.1071.1103.1183.1295.2687.2703.2719.2735.2751.2767.2783.2799.2815.2863.2879.2895.2911.2927.2943.2959.2975.2991.3007.3023.3039.3055.3071.3087.3103.3183.3263.3279.3407.3455*
> byval @tr8x8, i32 0) #0
> + tail call void @RestoreMVBlock8x8(i32 1, i32 2,
> %struct.RD_8x8DATA.15.159.303.447.559.703.895.911.943.991.1039.1071.1103.1183.1295.2687.2703.2719.2735.2751.2767.2783.2799.2815.2863.2879.2895.2911.2927.2943.2959.2975.2991.3007.3023.3039.3055.3071.3087.3103.3183.3263.3279.3407.3455*
> byval @tr8x8, i32 0) #0
> + tail call void @RestoreMVBlock8x8(i32 1, i32 3,
> %struct.RD_8x8DATA.15.159.303.447.559.703.895.911.943.991.1039.1071.1103.1183.1295.2687.2703.2719.2735.2751.2767.2783.2799.2815.2863.2879.2895.2911.2927.2943.2959.2975.2991.3007.3023.3039.3055.3071.3087.3103.3183.3263.3279.3407.3455*
> byval @tr8x8, i32 0) #0
> + br label %if.end249
> +
> +if.end249: ; preds = %if.then248,
> %land.lhs.true246, %if.end236
> + %5 = load i32* @luma_transform_size_8x8_flag, align 4, !tbaa !3
> + %6 = load
> %struct.RD_DATA.1.145.289.433.545.689.881.897.929.977.1025.1057.1089.1169.1281.2673.2689.2705.2721.2737.2753.2769.2785.2801.2849.2865.2881.2897.2913.2929.2945.2961.2977.2993.3009.3025.3041.3057.3073.3089.3169.3249.3265.3393.3441**
> @rdopt, align 4, !tbaa !0
> + %luma_transform_size_8x8_flag264 = getelementptr inbounds
> %struct.RD_DATA.1.145.289.433.545.689.881.897.929.977.1025.1057.1089.1169.1281.2673.2689.2705.2721.2737.2753.2769.2785.2801.2849.2865.2881.2897.2913.2929.2945.2961.2977.2993.3009.3025.3041.3057.3073.3089.3169.3249.3265.3393.3441*
> %6, i32 0, i32 21
> + store i32 %5, i32* %luma_transform_size_8x8_flag264, align 4, !tbaa !3
> + %7 = load i32* undef, align 4, !tbaa !3
> + %add281 = add nsw i32 %7, 0
> + br label %for.body285
> +
> +for.body285: ; preds = %for.inc503,
> %if.end249
> + %8 = phi
> %struct.ImageParameters.12.156.300.444.556.700.892.908.940.988.1036.1068.1100.1180.1292.2684.2700.2716.2732.2748.2764.2780.2796.2812.2860.2876.2892.2908.2924.2940.2956.2972.2988.3004.3020.3036.3052.3068.3084.3100.3180.3260.3276.3404.3452*
> [ undef, %if.end249 ], [ %.pre1155, %for.inc503 ]
> + %i.21103 = phi i32 [ 0, %if.end249 ], [ %inc504, %for.inc503 ]
> + %block_x286 = getelementptr inbounds
> %struct.ImageParameters.12.156.300.444.556.700.892.908.940.988.1036.1068.1100.1180.1292.2684.2700.2716.2732.2748.2764.2780.2796.2812.2860.2876.2892.2908.2924.2940.2956.2972.2988.3004.3020.3036.3052.3068.3084.3100.3180.3260.3276.3404.3452*
> %8, i32 0, i32 37
> + %9 = load i32* %block_x286, align 4, !tbaa !3
> + %add287 = add nsw i32 %9, %i.21103
> + %shr289 = ashr i32 %i.21103, 1
> + %add290 = add nsw i32 %shr289, 0
> + %arrayidx292 = getelementptr inbounds
> %struct.macroblock.10.154.298.442.554.698.890.906.938.986.1034.1066.1098.1178.1290.2682.2698.2714.2730.2746.2762.2778.2794.2810.2858.2874.2890.2906.2922.2938.2954.2970.2986.3002.3018.3034.3050.3066.3082.3098.3178.3258.3274.3402.3450*
> %2, i32 %1, i32 15, i32 %add290
> + %10 = load
> %struct.storable_picture.13.157.301.445.557.701.893.909.941.989.1037.1069.1101.1181.1293.2685.2701.2717.2733.2749.2765.2781.2797.2813.2861.2877.2893.2909.2925.2941.2957.2973.2989.3005.3021.3037.3053.3069.3085.3101.3181.3261.3277.3405.3453**
> @enc_picture, align 4, !tbaa !0
> + %ref_idx = getelementptr inbounds
> %struct.storable_picture.13.157.301.445.557.701.893.909.941.989.1037.1069.1101.1181.1293.2685.2701.2717.2733.2749.2765.2781.2797.2813.2861.2877.2893.2909.2925.2941.2957.2973.2989.3005.3021.3037.3053.3069.3085.3101.3181.3261.3277.3405.3453*
> %10, i32 0, i32 35
> + %11 = load i8**** %ref_idx, align 4, !tbaa !0
> + %12 = load i8*** %11, align 4, !tbaa !0
> + %arrayidx313 = getelementptr inbounds i8** %12, i32 %add281
> + %13 = load i8** %arrayidx313, align 4, !tbaa !0
> + %arrayidx314 = getelementptr inbounds i8* %13, i32 %add287
> + store i8 -1, i8* %arrayidx314, align 1, !tbaa !1
> + %14 = load
> %struct.ImageParameters.12.156.300.444.556.700.892.908.940.988.1036.1068.1100.1180.1292.2684.2700.2716.2732.2748.2764.2780.2796.2812.2860.2876.2892.2908.2924.2940.2956.2972.2988.3004.3020.3036.3052.3068.3084.3100.3180.3260.3276.3404.3452**
> @img, align 4, !tbaa !0
> + %MbaffFrameFlag327 = getelementptr inbounds
> %struct.ImageParameters.12.156.300.444.556.700.892.908.940.988.1036.1068.1100.1180.1292.2684.2700.2716.2732.2748.2764.2780.2796.2812.2860.2876.2892.2908.2924.2940.2956.2972.2988.3004.3020.3036.3052.3068.3084.3100.3180.3260.3276.3404.3452*
> %14, i32 0, i32 100
> + %15 = load i32* %MbaffFrameFlag327, align 4, !tbaa !3
> + %tobool328 = icmp eq i32 %15, 0
> + br i1 %tobool328, label %if.end454, label %if.then329
> +
> +if.then329: ; preds = %for.body285
> + %16 = load
> %struct.RD_DATA.1.145.289.433.545.689.881.897.929.977.1025.1057.1089.1169.1281.2673.2689.2705.2721.2737.2753.2769.2785.2801.2849.2865.2881.2897.2913.2929.2945.2961.2977.2993.3009.3025.3041.3057.3073.3089.3169.3249.3265.3393.3441**
> @rdopt, align 4, !tbaa !0
> + br label %if.end454
> +
> +if.end454: ; preds = %if.then329,
> %for.body285
> + %17 = load i32* %arrayidx292, align 4, !tbaa !3
> + %cmp457 = icmp eq i32 %17, 0
> + br i1 %cmp457, label %if.then475, label %lor.lhs.false459
> +
> +lor.lhs.false459: ; preds = %if.end454
> + %18 = load i32* %mb_type, align 4, !tbaa !3
> + switch i32 %18, label %for.inc503 [
> + i32 9, label %if.then475
> + i32 10, label %if.then475
> + i32 13, label %if.then475
> + i32 14, label %if.then475
> + ]
> +
> +if.then475: ; preds =
> %lor.lhs.false459, %lor.lhs.false459, %lor.lhs.false459, %lor.lhs.false459,
> %if.end454
> + store i16 0, i16* undef, align 2, !tbaa !4
> + br label %for.inc503
> +
> +for.inc503: ; preds = %if.then475,
> %lor.lhs.false459
> + %inc504 = add nsw i32 %i.21103, 1
> + %.pre1155 = load
> %struct.ImageParameters.12.156.300.444.556.700.892.908.940.988.1036.1068.1100.1180.1292.2684.2700.2716.2732.2748.2764.2780.2796.2812.2860.2876.2892.2908.2924.2940.2956.2972.2988.3004.3020.3036.3052.3068.3084.3100.3180.3260.3276.3404.3452**
> @img, align 4, !tbaa !0
> + br label %for.body285
> +}
> +
> +; Function Attrs: nounwind
> +declare void @update_offset_params(i32, i32) #1
> +
> +; Function Attrs: nounwind
> +declare void @RestoreMVBlock8x8(i32, i32,
> %struct.RD_8x8DATA.15.159.303.447.559.703.895.911.943.991.1039.1071.1103.1183.1295.2687.2703.2719.2735.2751.2767.2783.2799.2815.2863.2879.2895.2911.2927.2943.2959.2975.2991.3007.3023.3039.3055.3071.3087.3103.3183.3263.3279.3407.3455*
> byval nocapture, i32) #1
> +
> +attributes #0 = { nounwind }
> +attributes #1 = { nounwind "less-precise-fpmad"="false"
> "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="false"
> "no-infs-fp-math"="false" "no-nans-fp-math"="false"
> "unsafe-fp-math"="false" "use-soft-float"="false" }
> +
> +!0 = metadata !{metadata !"any pointer", metadata !1}
> +!1 = metadata !{metadata !"omnipotent char", metadata !2}
> +!2 = metadata !{metadata !"Simple C/C++ TBAA"}
> +!3 = metadata !{metadata !"int", metadata !1}
> +!4 = metadata !{metadata !"short", metadata !1}
>
>
> _______________________________________________
> llvm-commits mailing list
> llvm-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>
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