Temporarily Revert "Add basic loop fusion pass."

As it's causing some bot failures (and per request from kbarton).

This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.

llvm-svn: 358546

1 files changed, 0 insertions, 135 deletions

diff --git a/llvm/test/Transforms/SampleProfile/inline-coverage.ll b/llvm/test/Transforms/SampleProfile/inline-coverage.ll
deleted file mode 100644
index 7e189545190..00000000000
--- a/llvm/test/Transforms/SampleProfile/inline-coverage.ll
+++ /dev/null
@@ -1,135 +0,0 @@
-; RUN: opt < %s -instcombine -sample-profile -sample-profile-file=%S/Inputs/inline-coverage.prof -sample-profile-check-record-coverage=100 -sample-profile-check-sample-coverage=110 -pass-remarks=sample-profile -pass-remarks-analysis=sample-profile -o /dev/null 2>&1 | FileCheck %s
-; RUN: opt < %s -passes="function(instcombine),sample-profile" -sample-profile-file=%S/Inputs/inline-coverage.prof -sample-profile-check-record-coverage=100 -sample-profile-check-sample-coverage=110 -pass-remarks=sample-profile -pass-remarks-analysis=sample-profile -o /dev/null 2>&1 | FileCheck %s
-;
-; Original code:
-;
-;     1    #include <stdlib.h>
-;     2
-;     3    long long int foo(long i) {
-;     4      return rand() * i;
-;     5    }
-;     6
-;     7    int main() {
-;     8      long long int sum = 0;
-;     9      for (int i = 0; i < 200000 * 3000; i++)
-;    10        sum += foo(i);
-;    11      return sum > 0 ? 0 : 1;
-;    12    }
-;
-; CHECK: remark: coverage.cc:10:12: inlined hot callee '_Z3fool' into 'main'
-; CHECK: remark: coverage.cc:9:21: Applied 23478 samples from profile (offset: 2.1)
-; CHECK: remark: coverage.cc:10:16: Applied 23478 samples from profile (offset: 3)
-; CHECK: remark: coverage.cc:4:10: Applied 31878 samples from profile (offset: 1)
-; CHECK: remark: coverage.cc:11:10: Applied 0 samples from profile (offset: 4)
-; CHECK: remark: coverage.cc:10:16: most popular destination for conditional branches at coverage.cc:9:3
-;
-; There is one sample record with 0 samples at offset 4 in main() that we never
-; use:
-; CHECK: warning: coverage.cc:7: 4 of 5 available profile records (80%) were applied
-;
-; Since the unused sample record contributes no samples, sample coverage should
-; be 100%. Note that we get this warning because we are requesting an impossible
-; 110% coverage check.
-; CHECK: warning: coverage.cc:7: 78834 of 78834 available profile samples (100%) were applied
-
-define i64 @_Z3fool(i64 %i) !dbg !4 {
-entry:
-  %i.addr = alloca i64, align 8
-  store i64 %i, i64* %i.addr, align 8
-  call void @llvm.dbg.declare(metadata i64* %i.addr, metadata !16, metadata !17), !dbg !18
-  %call = call i32 @rand(), !dbg !19
-  %conv = sext i32 %call to i64, !dbg !19
-  %0 = load i64, i64* %i.addr, align 8, !dbg !20
-  %mul = mul nsw i64 %conv, %0, !dbg !21
-  ret i64 %mul, !dbg !22
-}
-
-declare void @llvm.dbg.declare(metadata, metadata, metadata)
-
-declare i32 @rand()
-
-define i32 @main() !dbg !9 {
-entry:
-  %retval = alloca i32, align 4
-  %sum = alloca i64, align 8
-  %i = alloca i32, align 4
-  store i32 0, i32* %retval, align 4
-  call void @llvm.dbg.declare(metadata i64* %sum, metadata !23, metadata !17), !dbg !24
-  store i64 0, i64* %sum, align 8, !dbg !24
-  call void @llvm.dbg.declare(metadata i32* %i, metadata !25, metadata !17), !dbg !27
-  store i32 0, i32* %i, align 4, !dbg !27
-  br label %for.cond, !dbg !28
-
-for.cond:                                         ; preds = %for.inc, %entry
-  %0 = load i32, i32* %i, align 4, !dbg !29
-  %cmp = icmp slt i32 %0, 600000000, !dbg !32
-  br i1 %cmp, label %for.body, label %for.end, !dbg !33
-
-for.body:                                         ; preds = %for.cond
-  %1 = load i32, i32* %i, align 4, !dbg !34
-  %conv = sext i32 %1 to i64, !dbg !34
-  %call = call i64 @_Z3fool(i64 %conv), !dbg !35
-  %2 = load i64, i64* %sum, align 8, !dbg !36
-  %add = add nsw i64 %2, %call, !dbg !36
-  store i64 %add, i64* %sum, align 8, !dbg !36
-  br label %for.inc, !dbg !37
-
-for.inc:                                          ; preds = %for.body
-  %3 = load i32, i32* %i, align 4, !dbg !38
-  %inc = add nsw i32 %3, 1, !dbg !38
-  store i32 %inc, i32* %i, align 4, !dbg !38
-  br label %for.cond, !dbg !39
-
-for.end:                                          ; preds = %for.cond
-  %4 = load i64, i64* %sum, align 8, !dbg !40
-  %cmp1 = icmp sgt i64 %4, 0, !dbg !41
-  %cond = select i1 %cmp1, i32 0, i32 1, !dbg !40
-  ret i32 %cond, !dbg !42
-}
-
-!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!13, !14}
-!llvm.ident = !{!15}
-
-!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.8.0 (trunk 251738) (llvm/trunk 251737)", isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug, enums: !2)
-!1 = !DIFile(filename: "coverage.cc", directory: ".")
-!2 = !{}
-!4 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fool", scope: !1, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
-!5 = !DISubroutineType(types: !6)
-!6 = !{!7, !8}
-!7 = !DIBasicType(name: "long long int", size: 64, align: 64, encoding: DW_ATE_signed)
-!8 = !DIBasicType(name: "long int", size: 64, align: 64, encoding: DW_ATE_signed)
-!9 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 7, type: !10, isLocal: false, isDefinition: true, scopeLine: 7, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
-!10 = !DISubroutineType(types: !11)
-!11 = !{!12}
-!12 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
-!13 = !{i32 2, !"Dwarf Version", i32 4}
-!14 = !{i32 2, !"Debug Info Version", i32 3}
-!15 = !{!"clang version 3.8.0 (trunk 251738) (llvm/trunk 251737)"}
-!16 = !DILocalVariable(name: "i", arg: 1, scope: !4, file: !1, line: 3, type: !8)
-!17 = !DIExpression()
-!18 = !DILocation(line: 3, column: 24, scope: !4)
-!19 = !DILocation(line: 4, column: 10, scope: !4)
-!20 = !DILocation(line: 4, column: 19, scope: !4)
-!21 = !DILocation(line: 4, column: 17, scope: !4)
-!22 = !DILocation(line: 4, column: 3, scope: !4)
-!23 = !DILocalVariable(name: "sum", scope: !9, file: !1, line: 8, type: !7)
-!24 = !DILocation(line: 8, column: 17, scope: !9)
-!25 = !DILocalVariable(name: "i", scope: !26, file: !1, line: 9, type: !12)
-!26 = distinct !DILexicalBlock(scope: !9, file: !1, line: 9, column: 3)
-!27 = !DILocation(line: 9, column: 12, scope: !26)
-!28 = !DILocation(line: 9, column: 8, scope: !26)
-!29 = !DILocation(line: 9, column: 19, scope: !30)
-!30 = !DILexicalBlockFile(scope: !31, file: !1, discriminator: 2)
-!31 = distinct !DILexicalBlock(scope: !26, file: !1, line: 9, column: 3)
-!32 = !DILocation(line: 9, column: 21, scope: !30)
-!33 = !DILocation(line: 9, column: 3, scope: !30)
-!34 = !DILocation(line: 10, column: 16, scope: !31)
-!35 = !DILocation(line: 10, column: 12, scope: !31)
-!36 = !DILocation(line: 10, column: 9, scope: !31)
-!37 = !DILocation(line: 10, column: 5, scope: !31)
-!38 = !DILocation(line: 9, column: 39, scope: !31)
-!39 = !DILocation(line: 9, column: 3, scope: !31)
-!40 = !DILocation(line: 11, column: 10, scope: !9)
-!41 = !DILocation(line: 11, column: 14, scope: !9)
-!42 = !DILocation(line: 11, column: 3, scope: !9)