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198d8baafb
One of several parallel first steps to remove the target type of pointers, replacing them with a single opaque pointer type. This adds an explicit type parameter to the gep instruction so that when the first parameter becomes an opaque pointer type, the type to gep through is still available to the instructions. * This doesn't modify gep operators, only instructions (operators will be handled separately) * Textual IR changes only. Bitcode (including upgrade) and changing the in-memory representation will be in separate changes. * geps of vectors are transformed as: getelementptr <4 x float*> %x, ... ->getelementptr float, <4 x float*> %x, ... Then, once the opaque pointer type is introduced, this will ultimately look like: getelementptr float, <4 x ptr> %x with the unambiguous interpretation that it is a vector of pointers to float. * address spaces remain on the pointer, not the type: getelementptr float addrspace(1)* %x ->getelementptr float, float addrspace(1)* %x Then, eventually: getelementptr float, ptr addrspace(1) %x Importantly, the massive amount of test case churn has been automated by same crappy python code. I had to manually update a few test cases that wouldn't fit the script's model (r228970,r229196,r229197,r229198). The python script just massages stdin and writes the result to stdout, I then wrapped that in a shell script to handle replacing files, then using the usual find+xargs to migrate all the files. update.py: import fileinput import sys import re ibrep = re.compile(r"(^.*?[^%\w]getelementptr inbounds )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))") normrep = re.compile( r"(^.*?[^%\w]getelementptr )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))") def conv(match, line): if not match: return line line = match.groups()[0] if len(match.groups()[5]) == 0: line += match.groups()[2] line += match.groups()[3] line += ", " line += match.groups()[1] line += "\n" return line for line in sys.stdin: if line.find("getelementptr ") == line.find("getelementptr inbounds"): if line.find("getelementptr inbounds") != line.find("getelementptr inbounds ("): line = conv(re.match(ibrep, line), line) elif line.find("getelementptr ") != line.find("getelementptr ("): line = conv(re.match(normrep, line), line) sys.stdout.write(line) apply.sh: for name in "$@" do python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name" rm -f "$name.tmp" done The actual commands: From llvm/src: find test/ -name *.ll | xargs ./apply.sh From llvm/src/tools/clang: find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}" From llvm/src/tools/polly: find test/ -name *.ll | xargs ./apply.sh After that, check-all (with llvm, clang, clang-tools-extra, lld, compiler-rt, and polly all checked out). The extra 'rm' in the apply.sh script is due to a few files in clang's test suite using interesting unicode stuff that my python script was throwing exceptions on. None of those files needed to be migrated, so it seemed sufficient to ignore those cases. Reviewers: rafael, dexonsmith, grosser Differential Revision: http://reviews.llvm.org/D7636 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230786 91177308-0d34-0410-b5e6-96231b3b80d8
166 lines
6.1 KiB
LLVM
166 lines
6.1 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin10
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; PR4587
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; rdar://7072590
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%struct.re_pattern_buffer = type <{ i8*, i64, i64, i64, i8*, i64, i64, i8, i8, i8, i8, i8, i8, i8, i8 }>
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define fastcc i32 @regex_compile(i8* %pattern, i64 %size, i64 %syntax, %struct.re_pattern_buffer* nocapture %bufp) nounwind ssp {
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entry:
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br i1 undef, label %return, label %if.end
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if.end: ; preds = %entry
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%tmp35 = getelementptr %struct.re_pattern_buffer, %struct.re_pattern_buffer* %bufp, i64 0, i32 3 ; <i64*> [#uses=1]
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store i64 %syntax, i64* %tmp35
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store i32 undef, i32* undef
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br i1 undef, label %if.then66, label %if.end102
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if.then66: ; preds = %if.end
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br i1 false, label %if.else, label %if.then70
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if.then70: ; preds = %if.then66
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%call74 = call i8* @xrealloc(i8* undef, i64 32) nounwind ssp ; <i8*> [#uses=0]
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unreachable
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if.else: ; preds = %if.then66
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br i1 false, label %do.body86, label %if.end99
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do.body86: ; preds = %if.else
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br i1 false, label %do.end, label %if.then90
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if.then90: ; preds = %do.body86
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unreachable
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do.end: ; preds = %do.body86
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ret i32 12
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if.end99: ; preds = %if.else
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br label %if.end102
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if.end102: ; preds = %if.end99, %if.end
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br label %while.body
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while.body: ; preds = %if.end1126, %sw.bb532, %while.body, %if.end102
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%laststart.2 = phi i8* [ null, %if.end102 ], [ %laststart.7.ph, %if.end1126 ], [ %laststart.2, %sw.bb532 ], [ %laststart.2, %while.body ] ; <i8*> [#uses=6]
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%b.1 = phi i8* [ undef, %if.end102 ], [ %ctg29688, %if.end1126 ], [ %b.1, %sw.bb532 ], [ %b.1, %while.body ] ; <i8*> [#uses=5]
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br i1 undef, label %while.body, label %if.end127
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if.end127: ; preds = %while.body
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switch i32 undef, label %sw.bb532 [
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i32 123, label %handle_interval
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i32 92, label %do.body3527
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]
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sw.bb532: ; preds = %if.end127
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br i1 undef, label %while.body, label %if.end808
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if.end808: ; preds = %sw.bb532
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br i1 undef, label %while.cond1267.preheader, label %if.then811
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while.cond1267.preheader: ; preds = %if.end808
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br i1 false, label %return, label %if.end1294
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if.then811: ; preds = %if.end808
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%call817 = call fastcc i8* @skip_one_char(i8* %laststart.2) ssp ; <i8*> [#uses=0]
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br i1 undef, label %cond.end834, label %lor.lhs.false827
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lor.lhs.false827: ; preds = %if.then811
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br label %cond.end834
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cond.end834: ; preds = %lor.lhs.false827, %if.then811
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br i1 undef, label %land.lhs.true838, label %while.cond979.preheader
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land.lhs.true838: ; preds = %cond.end834
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br i1 undef, label %if.then842, label %while.cond979.preheader
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if.then842: ; preds = %land.lhs.true838
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%conv851 = trunc i64 undef to i32 ; <i32> [#uses=1]
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br label %while.cond979.preheader
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while.cond979.preheader: ; preds = %if.then842, %land.lhs.true838, %cond.end834
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%startoffset.0.ph = phi i32 [ 0, %cond.end834 ], [ 0, %land.lhs.true838 ], [ %conv851, %if.then842 ] ; <i32> [#uses=2]
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%laststart.7.ph = phi i8* [ %laststart.2, %cond.end834 ], [ %laststart.2, %land.lhs.true838 ], [ %laststart.2, %if.then842 ] ; <i8*> [#uses=3]
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%b.4.ph = phi i8* [ %b.1, %cond.end834 ], [ %b.1, %land.lhs.true838 ], [ %b.1, %if.then842 ] ; <i8*> [#uses=3]
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%ctg29688 = getelementptr i8, i8* %b.4.ph, i64 6 ; <i8*> [#uses=1]
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br label %while.cond979
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while.cond979: ; preds = %if.end1006, %while.cond979.preheader
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%cmp991 = icmp ugt i64 undef, 0 ; <i1> [#uses=1]
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br i1 %cmp991, label %do.body994, label %while.end1088
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do.body994: ; preds = %while.cond979
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br i1 undef, label %return, label %if.end1006
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if.end1006: ; preds = %do.body994
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%cmp1014 = icmp ugt i64 undef, 32768 ; <i1> [#uses=1]
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%storemerge10953 = select i1 %cmp1014, i64 32768, i64 undef ; <i64> [#uses=1]
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store i64 %storemerge10953, i64* undef
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br i1 false, label %return, label %while.cond979
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while.end1088: ; preds = %while.cond979
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br i1 undef, label %if.then1091, label %if.else1101
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if.then1091: ; preds = %while.end1088
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store i8 undef, i8* undef
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%idx.ext1132.pre = zext i32 %startoffset.0.ph to i64 ; <i64> [#uses=1]
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%add.ptr1133.pre = getelementptr i8, i8* %laststart.7.ph, i64 %idx.ext1132.pre ; <i8*> [#uses=1]
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%sub.ptr.lhs.cast1135.pre = ptrtoint i8* %add.ptr1133.pre to i64 ; <i64> [#uses=1]
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br label %if.end1126
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if.else1101: ; preds = %while.end1088
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%cond1109 = select i1 undef, i32 18, i32 14 ; <i32> [#uses=1]
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%idx.ext1112 = zext i32 %startoffset.0.ph to i64 ; <i64> [#uses=1]
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%add.ptr1113 = getelementptr i8, i8* %laststart.7.ph, i64 %idx.ext1112 ; <i8*> [#uses=2]
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%sub.ptr.rhs.cast1121 = ptrtoint i8* %add.ptr1113 to i64 ; <i64> [#uses=1]
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call fastcc void @insert_op1(i32 %cond1109, i8* %add.ptr1113, i32 undef, i8* %b.4.ph) ssp
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br label %if.end1126
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if.end1126: ; preds = %if.else1101, %if.then1091
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%sub.ptr.lhs.cast1135.pre-phi = phi i64 [ %sub.ptr.rhs.cast1121, %if.else1101 ], [ %sub.ptr.lhs.cast1135.pre, %if.then1091 ] ; <i64> [#uses=1]
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%add.ptr1128 = getelementptr i8, i8* %b.4.ph, i64 3 ; <i8*> [#uses=1]
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%sub.ptr.rhs.cast1136 = ptrtoint i8* %add.ptr1128 to i64 ; <i64> [#uses=1]
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%sub.ptr.sub1137 = sub i64 %sub.ptr.lhs.cast1135.pre-phi, %sub.ptr.rhs.cast1136 ; <i64> [#uses=1]
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%sub.ptr.sub11378527 = trunc i64 %sub.ptr.sub1137 to i32 ; <i32> [#uses=1]
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%conv1139 = add i32 %sub.ptr.sub11378527, -3 ; <i32> [#uses=1]
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store i8 undef, i8* undef
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%shr10.i8599 = lshr i32 %conv1139, 8 ; <i32> [#uses=1]
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%conv6.i8600 = trunc i32 %shr10.i8599 to i8 ; <i8> [#uses=1]
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store i8 %conv6.i8600, i8* undef
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br label %while.body
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if.end1294: ; preds = %while.cond1267.preheader
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ret i32 12
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do.body3527: ; preds = %if.end127
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br i1 undef, label %do.end3536, label %if.then3531
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if.then3531: ; preds = %do.body3527
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unreachable
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do.end3536: ; preds = %do.body3527
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ret i32 5
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handle_interval: ; preds = %if.end127
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br i1 undef, label %do.body4547, label %cond.false4583
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do.body4547: ; preds = %handle_interval
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br i1 undef, label %do.end4556, label %if.then4551
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if.then4551: ; preds = %do.body4547
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unreachable
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do.end4556: ; preds = %do.body4547
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ret i32 9
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cond.false4583: ; preds = %handle_interval
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unreachable
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return: ; preds = %if.end1006, %do.body994, %while.cond1267.preheader, %entry
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ret i32 undef
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}
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declare i8* @xrealloc(i8*, i64) ssp
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declare fastcc i8* @skip_one_char(i8*) nounwind readonly ssp
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declare fastcc void @insert_op1(i32, i8*, i32, i8*) nounwind ssp
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