mirror of
https://github.com/RPCS3/llvm.git
synced 2025-05-19 11:55:55 +00:00
afa2e7e6a6
Summary: This is a resurrection of work first proposed and discussed in Aug 2015: http://lists.llvm.org/pipermail/llvm-dev/2015-August/089384.html and initially landed (but then backed out) in Nov 2015: http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20151109/312083.html The @llvm.memcpy/memmove/memset intrinsics currently have an explicit argument which is required to be a constant integer. It represents the alignment of the dest (and source), and so must be the minimum of the actual alignment of the two. This change is the first in a series that allows source and dest to each have their own alignments by using the alignment attribute on their arguments. In this change we: 1) Remove the alignment argument. 2) Add alignment attributes to the source & dest arguments. We, temporarily, require that the alignments for source & dest be equal. For example, code which used to read: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 100, i32 4, i1 false) will now read call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %dest, i8* align 4 %src, i32 100, i1 false) Downstream users may have to update their lit tests that check for @llvm.memcpy/memmove/memset call/declaration patterns. The following extended sed script may help with updating the majority of your tests, but it does not catch all possible patterns so some manual checking and updating will be required. s~declare void @llvm\.mem(set|cpy|move)\.p([^(]*)\((.*), i32, i1\)~declare void @llvm.mem\1.p\2(\3, i1)~g s~call void @llvm\.memset\.p([^(]*)i8\(i8([^*]*)\* (.*), i8 (.*), i8 (.*), i32 [01], i1 ([^)]*)\)~call void @llvm.memset.p\1i8(i8\2* \3, i8 \4, i8 \5, i1 \6)~g s~call void @llvm\.memset\.p([^(]*)i16\(i8([^*]*)\* (.*), i8 (.*), i16 (.*), i32 [01], i1 ([^)]*)\)~call void @llvm.memset.p\1i16(i8\2* \3, i8 \4, i16 \5, i1 \6)~g s~call void @llvm\.memset\.p([^(]*)i32\(i8([^*]*)\* (.*), i8 (.*), i32 (.*), i32 [01], i1 ([^)]*)\)~call void @llvm.memset.p\1i32(i8\2* \3, i8 \4, i32 \5, i1 \6)~g s~call void @llvm\.memset\.p([^(]*)i64\(i8([^*]*)\* (.*), i8 (.*), i64 (.*), i32 [01], i1 ([^)]*)\)~call void @llvm.memset.p\1i64(i8\2* \3, i8 \4, i64 \5, i1 \6)~g s~call void @llvm\.memset\.p([^(]*)i128\(i8([^*]*)\* (.*), i8 (.*), i128 (.*), i32 [01], i1 ([^)]*)\)~call void @llvm.memset.p\1i128(i8\2* \3, i8 \4, i128 \5, i1 \6)~g s~call void @llvm\.memset\.p([^(]*)i8\(i8([^*]*)\* (.*), i8 (.*), i8 (.*), i32 ([0-9]*), i1 ([^)]*)\)~call void @llvm.memset.p\1i8(i8\2* align \6 \3, i8 \4, i8 \5, i1 \7)~g s~call void @llvm\.memset\.p([^(]*)i16\(i8([^*]*)\* (.*), i8 (.*), i16 (.*), i32 ([0-9]*), i1 ([^)]*)\)~call void @llvm.memset.p\1i16(i8\2* align \6 \3, i8 \4, i16 \5, i1 \7)~g s~call void @llvm\.memset\.p([^(]*)i32\(i8([^*]*)\* (.*), i8 (.*), i32 (.*), i32 ([0-9]*), i1 ([^)]*)\)~call void @llvm.memset.p\1i32(i8\2* align \6 \3, i8 \4, i32 \5, i1 \7)~g s~call void @llvm\.memset\.p([^(]*)i64\(i8([^*]*)\* (.*), i8 (.*), i64 (.*), i32 ([0-9]*), i1 ([^)]*)\)~call void @llvm.memset.p\1i64(i8\2* align \6 \3, i8 \4, i64 \5, i1 \7)~g s~call void @llvm\.memset\.p([^(]*)i128\(i8([^*]*)\* (.*), i8 (.*), i128 (.*), i32 ([0-9]*), i1 ([^)]*)\)~call void @llvm.memset.p\1i128(i8\2* align \6 \3, i8 \4, i128 \5, i1 \7)~g s~call void @llvm\.mem(cpy|move)\.p([^(]*)i8\(i8([^*]*)\* (.*), i8([^*]*)\* (.*), i8 (.*), i32 [01], i1 ([^)]*)\)~call void @llvm.mem\1.p\2i8(i8\3* \4, i8\5* \6, i8 \7, i1 \8)~g s~call void @llvm\.mem(cpy|move)\.p([^(]*)i16\(i8([^*]*)\* (.*), i8([^*]*)\* (.*), i16 (.*), i32 [01], i1 ([^)]*)\)~call void @llvm.mem\1.p\2i16(i8\3* \4, i8\5* \6, i16 \7, i1 \8)~g s~call void @llvm\.mem(cpy|move)\.p([^(]*)i32\(i8([^*]*)\* (.*), i8([^*]*)\* (.*), i32 (.*), i32 [01], i1 ([^)]*)\)~call void @llvm.mem\1.p\2i32(i8\3* \4, i8\5* \6, i32 \7, i1 \8)~g s~call void @llvm\.mem(cpy|move)\.p([^(]*)i64\(i8([^*]*)\* (.*), i8([^*]*)\* (.*), i64 (.*), i32 [01], i1 ([^)]*)\)~call void @llvm.mem\1.p\2i64(i8\3* \4, i8\5* \6, i64 \7, i1 \8)~g s~call void @llvm\.mem(cpy|move)\.p([^(]*)i128\(i8([^*]*)\* (.*), i8([^*]*)\* (.*), i128 (.*), i32 [01], i1 ([^)]*)\)~call void @llvm.mem\1.p\2i128(i8\3* \4, i8\5* \6, i128 \7, i1 \8)~g s~call void @llvm\.mem(cpy|move)\.p([^(]*)i8\(i8([^*]*)\* (.*), i8([^*]*)\* (.*), i8 (.*), i32 ([0-9]*), i1 ([^)]*)\)~call void @llvm.mem\1.p\2i8(i8\3* align \8 \4, i8\5* align \8 \6, i8 \7, i1 \9)~g s~call void @llvm\.mem(cpy|move)\.p([^(]*)i16\(i8([^*]*)\* (.*), i8([^*]*)\* (.*), i16 (.*), i32 ([0-9]*), i1 ([^)]*)\)~call void @llvm.mem\1.p\2i16(i8\3* align \8 \4, i8\5* align \8 \6, i16 \7, i1 \9)~g s~call void @llvm\.mem(cpy|move)\.p([^(]*)i32\(i8([^*]*)\* (.*), i8([^*]*)\* (.*), i32 (.*), i32 ([0-9]*), i1 ([^)]*)\)~call void @llvm.mem\1.p\2i32(i8\3* align \8 \4, i8\5* align \8 \6, i32 \7, i1 \9)~g s~call void @llvm\.mem(cpy|move)\.p([^(]*)i64\(i8([^*]*)\* (.*), i8([^*]*)\* (.*), i64 (.*), i32 ([0-9]*), i1 ([^)]*)\)~call void @llvm.mem\1.p\2i64(i8\3* align \8 \4, i8\5* align \8 \6, i64 \7, i1 \9)~g s~call void @llvm\.mem(cpy|move)\.p([^(]*)i128\(i8([^*]*)\* (.*), i8([^*]*)\* (.*), i128 (.*), i32 ([0-9]*), i1 ([^)]*)\)~call void @llvm.mem\1.p\2i128(i8\3* align \8 \4, i8\5* align \8 \6, i128 \7, i1 \9)~g The remaining changes in the series will: Step 2) Expand the IRBuilder API to allow creation of memcpy/memmove with differing source and dest alignments. Step 3) Update Clang to use the new IRBuilder API. Step 4) Update Polly to use the new IRBuilder API. Step 5) Update LLVM passes that create memcpy/memmove calls to use the new IRBuilder API, and those that use use MemIntrinsicInst::[get|set]Alignment() to use getDestAlignment() and getSourceAlignment() instead. Step 6) Remove the single-alignment IRBuilder API for memcpy/memmove, and the MemIntrinsicInst::[get|set]Alignment() methods. Reviewers: pete, hfinkel, lhames, reames, bollu Reviewed By: reames Subscribers: niosHD, reames, jholewinski, qcolombet, jfb, sanjoy, arsenm, dschuff, dylanmckay, mehdi_amini, sdardis, nemanjai, david2050, nhaehnle, javed.absar, sbc100, jgravelle-google, eraman, aheejin, kbarton, JDevlieghere, asb, rbar, johnrusso, simoncook, jordy.potman.lists, apazos, sabuasal, llvm-commits Differential Revision: https://reviews.llvm.org/D41675 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@322965 91177308-0d34-0410-b5e6-96231b3b80d8
219 lines
12 KiB
LLVM
219 lines
12 KiB
LLVM
; RUN: llc < %s -mcpu=cortex-a15 -verify-machineinstrs -arm-atomic-cfg-tidy=0 | FileCheck %s
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; Check a spill right after a function call with large struct byval is correctly
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; generated.
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; PR16393
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; We expect 4-byte spill and reload to be generated.
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; CHECK: set_stored_macroblock_parameters
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; CHECK: str r{{.*}}, [sp, {{#[0-9]+}}] @ 4-byte Spill
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; CHECK: ldr r{{.*}}, [lr, {{#[0-9]+}}] @ 4-byte Reload
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target triple = "armv7l-unknown-linux-gnueabihf"
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%structA = type { double, [16 x [16 x i16]], [16 x [16 x i16]], [16 x [16 x i16]], i32****, i32***, i32, i16, [4 x i32], [4 x i32], i8**, [16 x i8], [16 x i8], i32, i64, i32, i16******, i16******, [2 x [4 x [4 x i8]]], i32, i32, i32, i32, i32, i32, i32, i32, i32 }
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%structB = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i8**, i8**, i32, i32***, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, [9 x [16 x [16 x i16]]], [5 x [16 x [16 x i16]]], [9 x [8 x [8 x i16]]], [2 x [4 x [16 x [16 x i16]]]], [16 x [16 x i16]], [16 x [16 x i32]], i32****, i32***, i32***, i32***, i32****, i32****, %structC*, %structD*, %structK*, i32*, i32*, i32, i32, i32, i32, [4 x [4 x i32]], i32, i32, i32, i32, i32, double, i32, i32, i32, i32, i16******, i16******, i16******, i16******, [15 x i16], i32, i32, i32, i32, i32, i32, i32, i32, [6 x [32 x i32]], i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, [1 x i32], i32, i32, [2 x i32], i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, %structL*, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, double**, double***, i32***, double**, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, [3 x [2 x i32]], [2 x i32], i32, i32, i16, i32, i32, i32, i32, i32 }
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%structC = type { i32, i32, [100 x %structD*], i32, float, float, float }
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%structD = type { i32, i32, i32, i32, i32, i32, %structE*, %structH*, %structJ*, i32, i32*, i32*, i32*, i32, i32*, i32*, i32*, i32 (i32)*, [3 x [2 x i32]] }
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%structE = type { %structF*, %structG, %structG }
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%structF = type { i32, i32, i8, i32, i32, i8, i8, i32, i32, i8*, i32 }
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%structG = type { i32, i32, i32, i32, i32, i8*, i32*, i32, i32 }
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%structH = type { [3 x [11 x %structI]], [2 x [9 x %structI]], [2 x [10 x %structI]], [2 x [6 x %structI]], [4 x %structI], [4 x %structI], [3 x %structI] }
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%structI = type { i16, i8, i32 }
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%structJ = type { [2 x %structI], [4 x %structI], [3 x [4 x %structI]], [10 x [4 x %structI]], [10 x [15 x %structI]], [10 x [15 x %structI]], [10 x [5 x %structI]], [10 x [5 x %structI]], [10 x [15 x %structI]], [10 x [15 x %structI]] }
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%structK = type { i32, i32, i32, [2 x i32], i32, [8 x i32], %structK*, %structK*, 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 }
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%structL = type { i32, i32, i32, i32, i32, %structL* }
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%structM = 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**, %structM*, %structM*, %structM*, i32, i32, i32, i32, i32, i32, i32 }
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%structN = 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]] }
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@cofAC = external global i32****, align 4
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@cofDC = external global i32***, align 4
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@rdopt = external global %structA*, align 4
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@img = external global %structB*
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@enc_picture = external global %structM*
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@si_frame_indicator = external global i32, align 4
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@sp2_frame_indicator = external global i32, align 4
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@lrec = external global i32**, align 4
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@tr8x8 = external global %structN, align 4
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@best_mode = external global i16, align 2
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@best_c_imode = external global i32, align 4
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@best_i16offset = external global i32, align 4
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@bi_pred_me = external global i16, align 2
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@b8mode = external global [4 x i32], align 4
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@b8pdir = external global [4 x i32], align 4
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@b4_intra_pred_modes = external global [16 x i8], align 1
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@b8_intra_pred_modes8x8 = external global [16 x i8], align 1
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@b4_ipredmode = external global [16 x i8], align 1
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@b8_ipredmode8x8 = external global [4 x [4 x i8]], align 1
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@rec_mbY = external global [16 x [16 x i16]], align 2
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@lrec_rec = external global [16 x [16 x i32]], align 4
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@rec_mbU = external global [16 x [16 x i16]], align 2
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@rec_mbV = external global [16 x [16 x i16]], align 2
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@lrec_rec_U = external global [16 x [16 x i32]], align 4
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@lrec_uv = external global i32***, align 4
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@lrec_rec_V = external global [16 x [16 x i32]], align 4
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@cbp = external global i32, align 4
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@cbp_blk = external global i64, align 8
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@luma_transform_size_8x8_flag = external global i32, align 4
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@frefframe = external global [4 x [4 x i8]], align 1
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@brefframe = external global [4 x [4 x i8]], align 1
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; Function Attrs: nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i1) #0
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; Function Attrs: nounwind
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declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i1) #0
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; Function Attrs: nounwind
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declare void @SetMotionVectorsMB(%structK* nocapture, i32) #1
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; Function Attrs: nounwind
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define void @set_stored_macroblock_parameters() #1 {
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entry:
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%0 = load %structB*, %structB** @img, align 4
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%1 = load i32, i32* undef, align 4
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%mb_data = getelementptr inbounds %structB, %structB* %0, i32 0, i32 61
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%2 = load %structK*, %structK** %mb_data, align 4
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br label %for.body
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for.body: ; preds = %for.body, %entry
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br i1 undef, label %for.end, label %for.body
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for.end: ; preds = %for.body
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br i1 undef, label %for.body20, label %if.end
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for.body20: ; preds = %for.end
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unreachable
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if.end: ; preds = %for.end
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br i1 undef, label %if.end40, label %for.cond31.preheader
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for.cond31.preheader: ; preds = %if.end
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unreachable
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if.end40: ; preds = %if.end
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br i1 undef, label %if.end43, label %if.then42
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if.then42: ; preds = %if.end40
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br label %if.end43
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if.end43: ; preds = %if.then42, %if.end40
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br i1 undef, label %if.end164, label %for.cond47.preheader
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for.cond47.preheader: ; preds = %if.end43
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br i1 undef, label %for.body119, label %if.end164
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for.body119: ; preds = %for.body119, %for.cond47.preheader
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br i1 undef, label %for.body119, label %if.end164
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if.end164: ; preds = %for.body119, %for.cond47.preheader, %if.end43
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store i32*** null, i32**** @cofDC, align 4
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%mb_type = getelementptr inbounds %structK, %structK* %2, i32 %1, i32 8
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br i1 undef, label %if.end230, label %if.then169
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if.then169: ; preds = %if.end164
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br i1 undef, label %for.cond185.preheader, label %for.cond210.preheader
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for.cond185.preheader: ; preds = %if.then169
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unreachable
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for.cond210.preheader: ; preds = %if.then169
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unreachable
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if.end230: ; preds = %if.end164
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tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 undef, i8* align 4 bitcast ([4 x i32]* @b8mode to i8*), i32 16, i1 false)
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%b8pdir = getelementptr inbounds %structK, %structK* %2, i32 %1, i32 15
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%3 = bitcast [4 x i32]* %b8pdir to i8*
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tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %3, i8* align 4 bitcast ([4 x i32]* @b8pdir to i8*), i32 16, i1 false)
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br i1 undef, label %if.end236, label %if.then233
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if.then233: ; preds = %if.end230
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unreachable
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if.end236: ; preds = %if.end230
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%cmp242 = icmp ne i16 undef, 8
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%4 = load i32, i32* @luma_transform_size_8x8_flag, align 4
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%tobool245 = icmp ne i32 %4, 0
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%or.cond812 = or i1 %cmp242, %tobool245
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br i1 %or.cond812, label %if.end249, label %land.lhs.true246
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land.lhs.true246: ; preds = %if.end236
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br i1 undef, label %if.end249, label %if.then248
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if.then248: ; preds = %land.lhs.true246
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tail call void asm sideeffect "", "~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11}"() nounwind
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tail call void @RestoreMVBlock8x8(i32 1, i32 0, %structN* byval @tr8x8, i32 0) #0
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tail call void @RestoreMVBlock8x8(i32 1, i32 2, %structN* byval @tr8x8, i32 0) #0
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tail call void @RestoreMVBlock8x8(i32 1, i32 3, %structN* byval @tr8x8, i32 0) #0
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br label %if.end249
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if.end249: ; preds = %if.then248, %land.lhs.true246, %if.end236
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%5 = load i32, i32* @luma_transform_size_8x8_flag, align 4
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%6 = load %structA*, %structA** @rdopt, align 4
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%luma_transform_size_8x8_flag264 = getelementptr inbounds %structA, %structA* %6, i32 0, i32 21
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store i32 %5, i32* %luma_transform_size_8x8_flag264, align 4
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%7 = load i32, i32* undef, align 4
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%add281 = add nsw i32 %7, 0
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br label %for.body285
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for.body285: ; preds = %for.inc503, %if.end249
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%8 = phi %structB* [ undef, %if.end249 ], [ %.pre1155, %for.inc503 ]
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%i.21103 = phi i32 [ 0, %if.end249 ], [ %inc504, %for.inc503 ]
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%block_x286 = getelementptr inbounds %structB, %structB* %8, i32 0, i32 37
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%9 = load i32, i32* %block_x286, align 4
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%add287 = add nsw i32 %9, %i.21103
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%shr289 = ashr i32 %i.21103, 1
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%add290 = add nsw i32 %shr289, 0
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%arrayidx292 = getelementptr inbounds %structK, %structK* %2, i32 %1, i32 15, i32 %add290
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%10 = load %structM*, %structM** @enc_picture, align 4
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%ref_idx = getelementptr inbounds %structM, %structM* %10, i32 0, i32 35
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%11 = load i8***, i8**** %ref_idx, align 4
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%12 = load i8**, i8*** %11, align 4
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%arrayidx313 = getelementptr inbounds i8*, i8** %12, i32 %add281
|
|
%13 = load i8*, i8** %arrayidx313, align 4
|
|
%arrayidx314 = getelementptr inbounds i8, i8* %13, i32 %add287
|
|
store i8 -1, i8* %arrayidx314, align 1
|
|
%14 = load %structB*, %structB** @img, align 4
|
|
%MbaffFrameFlag327 = getelementptr inbounds %structB, %structB* %14, i32 0, i32 100
|
|
%15 = load i32, i32* %MbaffFrameFlag327, align 4
|
|
%tobool328 = icmp eq i32 %15, 0
|
|
br i1 %tobool328, label %if.end454, label %if.then329
|
|
|
|
if.then329: ; preds = %for.body285
|
|
%16 = load %structA*, %structA** @rdopt, align 4
|
|
br label %if.end454
|
|
|
|
if.end454: ; preds = %if.then329, %for.body285
|
|
%17 = load i32, i32* %arrayidx292, align 4
|
|
%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, i32* %mb_type, align 4
|
|
switch i32 %18, label %for.inc503 [
|
|
i32 9, label %if.then475
|
|
i32 11, 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
|
|
br label %for.inc503
|
|
|
|
for.inc503: ; preds = %if.then475, %lor.lhs.false459
|
|
%inc504 = add nsw i32 %i.21103, 1
|
|
%.pre1155 = load %structB*, %structB** @img, align 4
|
|
br label %for.body285
|
|
}
|
|
|
|
; Function Attrs: nounwind
|
|
declare void @update_offset_params(i32, i32) #1
|
|
|
|
; Function Attrs: nounwind
|
|
declare void @RestoreMVBlock8x8(i32, i32, %structN* byval nocapture, i32) #1
|
|
|
|
attributes #0 = { nounwind }
|
|
attributes #1 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
|