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author | Stephen Hines <srhines@google.com> | 2014-07-21 00:45:20 -0700 |
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committer | Stephen Hines <srhines@google.com> | 2014-07-25 00:48:57 -0700 |
commit | cd81d94322a39503e4a3e87b6ee03d4fcb3465fb (patch) | |
tree | 81b7dd2bb4370a392f31d332a566c903b5744764 /test/Transforms/LoopVectorize/control-flow.ll | |
parent | 0c5f13c0c4499eaf42ab5e9e2ceabd4e20e36861 (diff) | |
download | external_llvm-cd81d94322a39503e4a3e87b6ee03d4fcb3465fb.zip external_llvm-cd81d94322a39503e4a3e87b6ee03d4fcb3465fb.tar.gz external_llvm-cd81d94322a39503e4a3e87b6ee03d4fcb3465fb.tar.bz2 |
Update LLVM for rebase to r212749.
Includes a cherry-pick of:
r212948 - fixes a small issue with atomic calls
Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18
Diffstat (limited to 'test/Transforms/LoopVectorize/control-flow.ll')
-rw-r--r-- | test/Transforms/LoopVectorize/control-flow.ll | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/test/Transforms/LoopVectorize/control-flow.ll b/test/Transforms/LoopVectorize/control-flow.ll new file mode 100644 index 0000000..e4ba77f --- /dev/null +++ b/test/Transforms/LoopVectorize/control-flow.ll @@ -0,0 +1,78 @@ +; RUN: opt < %s -loop-vectorize -force-vector-width=4 -S -pass-remarks-missed='loop-vectorize' -pass-remarks-analysis='loop-vectorize' 2>&1 | FileCheck %s + +; C/C++ code for control flow test +; int test(int *A, int Length) { +; for (int i = 0; i < Length; i++) { +; if (A[i] > 10.0) goto end; +; A[i] = 0; +; } +; end: +; return 0; +; } + +; CHECK: remark: source.cpp:5:9: loop not vectorized: loop control flow is not understood by vectorizer +; CHECK: remark: source.cpp:5:9: loop not vectorized: vectorization was not specified + +; CHECK: _Z4testPii +; CHECK-NOT: x i32> +; CHECK: ret + +target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" + +; Function Attrs: nounwind optsize ssp uwtable +define i32 @_Z4testPii(i32* nocapture %A, i32 %Length) #0 { +entry: + %cmp8 = icmp sgt i32 %Length, 0, !dbg !10 + br i1 %cmp8, label %for.body.preheader, label %end, !dbg !10 + +for.body.preheader: ; preds = %entry + br label %for.body, !dbg !12 + +for.body: ; preds = %for.body.preheader, %if.else + %indvars.iv = phi i64 [ %indvars.iv.next, %if.else ], [ 0, %for.body.preheader ] + %arrayidx = getelementptr inbounds i32* %A, i64 %indvars.iv, !dbg !12 + %0 = load i32* %arrayidx, align 4, !dbg !12, !tbaa !15 + %cmp1 = icmp sgt i32 %0, 10, !dbg !12 + br i1 %cmp1, label %end.loopexit, label %if.else, !dbg !12 + +if.else: ; preds = %for.body + store i32 0, i32* %arrayidx, align 4, !dbg !19, !tbaa !15 + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !10 + %1 = trunc i64 %indvars.iv.next to i32, !dbg !10 + %cmp = icmp slt i32 %1, %Length, !dbg !10 + br i1 %cmp, label %for.body, label %end.loopexit, !dbg !10 + +end.loopexit: ; preds = %if.else, %for.body + br label %end + +end: ; preds = %end.loopexit, %entry + ret i32 0, !dbg !20 +} + +attributes #0 = { nounwind } + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!7, !8} +!llvm.ident = !{!9} + +!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 2} +!1 = metadata !{metadata !"source.cpp", metadata !"."} +!2 = metadata !{} +!3 = metadata !{metadata !4} +!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"test", metadata !"test", metadata !"", i32 1, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i32 (i32*, i32)* @_Z4testPii, null, null, metadata !2, i32 2} +!5 = metadata !{i32 786473, metadata !1} +!6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !2, i32 0, null, null, null} +!7 = metadata !{i32 2, metadata !"Dwarf Version", i32 2} +!8 = metadata !{i32 2, metadata !"Debug Info Version", i32 1} +!9 = metadata !{metadata !"clang version 3.5.0"} +!10 = metadata !{i32 3, i32 8, metadata !11, null} +!11 = metadata !{i32 786443, metadata !1, metadata !4, i32 3, i32 3, i32 0, i32 0} +!12 = metadata !{i32 5, i32 9, metadata !13, null} +!13 = metadata !{i32 786443, metadata !1, metadata !14, i32 5, i32 9, i32 0, i32 2} +!14 = metadata !{i32 786443, metadata !1, metadata !11, i32 4, i32 3, i32 0, i32 1} +!15 = metadata !{metadata !16, metadata !16, i64 0} +!16 = metadata !{metadata !"int", metadata !17, i64 0} +!17 = metadata !{metadata !"omnipotent char", metadata !18, i64 0} +!18 = metadata !{metadata !"Simple C/C++ TBAA"} +!19 = metadata !{i32 8, i32 7, metadata !13, null} +!20 = metadata !{i32 12, i32 3, metadata !4, null} |