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PEI: Support for non-zero SPAdj at beginning of a basic block.

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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

llvm-svn: 186364
This commit is contained in:
Manman Ren 2013-07-15 23:47:29 +00:00
parent f1e0aebca1
commit 19fc512a36
3 changed files with 280 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
lib/CodeGen/PrologEpilogInserter.cpp
View File

@ -728,7 +728,33 @@ void PEI::insertPrologEpilogCode(MachineFunction &Fn) {
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(MachineBasicBlock *BB, MachineFunction &Fn,
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(MachineBasicBlock *BB, MachineFunction &Fn,
// 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

30
test/CodeGen/ARM/2013-06-03-ByVal-2Kbytes.ll Normal file
View File

@ -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)

224
test/CodeGen/ARM/struct-byval-frame-index.ll Normal file
View File

@ -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 = type { i16, i8, i32 }
%struct.TextureInfoContexts.7.151.295.439.551.695.887.903.935.983.1031.1063.1095.1175.1287.2679.2695.2711.2727.2743.2759.2775.2791.2807.2855.2871.2887.2903.2919.2935.2951.2967.2983.2999.3015.3031.3047.3063.3079.3095.3175.3255.3271.3399.3447 = type { [2 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], [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], [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 %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 [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 %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 [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.13.157.301.445.557.701.893.909.941.989.1037.1069.1101.1181.1293.2685.2701.2717.2733.2749.2765.2781.2797.2813.2861.2877.2893.2909.2925.2941.2957.2973.2989.3005.3021.3037.3053.3069.3085.3101.3181.3261.3277.3405.3453*, %struct.storable_picture.13.157.301.445.557.701.893.909.941.989.1037.1069.1101.1181.1293.2685.2701.2717.2733.2749.2765.2781.2797.2813.2861.2877.2893.2909.2925.2941.2957.2973.2989.3005.3021.3037.3053.3069.3085.3101.3181.3261.3277.3405.3453*, 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]] }
@cofAC = external global i32****, align 4
@cofDC = external global i32***, align 4
@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
@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*
@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*
@si_frame_indicator = external global i32, align 4
@sp2_frame_indicator = external global i32, align 4
@lrec = external global i32**, align 4
@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
@best_mode = external global i16, align 2
@best_c_imode = external global i32, align 4
@best_i16offset = external global i32, align 4
@bi_pred_me = external global i16, align 2
@b8mode = external global [4 x i32], align 4
@b8pdir = external global [4 x i32], align 4
@b4_intra_pred_modes = external global [16 x i8], align 1
@b8_intra_pred_modes8x8 = external global [16 x i8], align 1
@b4_ipredmode = external global [16 x i8], align 1
@b8_ipredmode8x8 = external global [4 x [4 x i8]], align 1
@rec_mbY = external global [16 x [16 x i16]], align 2
@lrec_rec = external global [16 x [16 x i32]], align 4
@rec_mbU = external global [16 x [16 x i16]], align 2
@rec_mbV = external global [16 x [16 x i16]], align 2
@lrec_rec_U = external global [16 x [16 x i32]], align 4
@lrec_uv = external global i32***, align 4
@lrec_rec_V = external global [16 x [16 x i32]], align 4
@cbp = external global i32, align 4
@cbp_blk = external global i64, align 8
@luma_transform_size_8x8_flag = external global i32, align 4
@frefframe = external global [4 x [4 x i8]], align 1
@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}