aboutsummaryrefslogtreecommitdiffstats
path: root/test/Transforms/LoopVectorize/conditional-assignment.ll
diff options
context:
space:
mode:
authorStephen Hines <srhines@google.com>2014-12-01 14:51:49 -0800
committerStephen Hines <srhines@google.com>2014-12-02 16:08:10 -0800
commit37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch)
tree8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /test/Transforms/LoopVectorize/conditional-assignment.ll
parentd2327b22152ced7bc46dc629fc908959e8a52d03 (diff)
downloadexternal_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.zip
external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.gz
external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.bz2
Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
Diffstat (limited to 'test/Transforms/LoopVectorize/conditional-assignment.ll')
-rw-r--r--test/Transforms/LoopVectorize/conditional-assignment.ll58
1 files changed, 58 insertions, 0 deletions
diff --git a/test/Transforms/LoopVectorize/conditional-assignment.ll b/test/Transforms/LoopVectorize/conditional-assignment.ll
new file mode 100644
index 0000000..50fa329
--- /dev/null
+++ b/test/Transforms/LoopVectorize/conditional-assignment.ll
@@ -0,0 +1,58 @@
+; RUN: opt < %s -loop-vectorize -S -pass-remarks-missed='loop-vectorize' -pass-remarks-analysis='loop-vectorize' 2>&1 | FileCheck %s
+
+; CHECK: remark: source.c:2:8: loop not vectorized: store that is conditionally executed prevents vectorization
+
+target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.9.0"
+
+; Function Attrs: nounwind ssp uwtable
+define void @conditional_store(i32* noalias nocapture %indices) #0 {
+entry:
+ br label %for.body, !dbg !10
+
+for.body: ; preds = %for.inc, %entry
+ %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.inc ]
+ %arrayidx = getelementptr inbounds i32* %indices, i64 %indvars.iv, !dbg !12
+ %0 = load i32* %arrayidx, align 4, !dbg !12, !tbaa !14
+ %cmp1 = icmp eq i32 %0, 1024, !dbg !12
+ br i1 %cmp1, label %if.then, label %for.inc, !dbg !12
+
+if.then: ; preds = %for.body
+ store i32 0, i32* %arrayidx, align 4, !dbg !18, !tbaa !14
+ br label %for.inc, !dbg !18
+
+for.inc: ; preds = %for.body, %if.then
+ %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !10
+ %exitcond = icmp eq i64 %indvars.iv.next, 4096, !dbg !10
+ br i1 %exitcond, label %for.end, label %for.body, !dbg !10
+
+for.end: ; preds = %for.inc
+ ret void, !dbg !19
+}
+
+attributes #0 = { nounwind }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!7, !8}
+!llvm.ident = !{!9}
+
+!0 = metadata !{metadata !"0x11\0012\00clang version 3.6.0\001\00\000\00\002", metadata !1, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{metadata !"source.c", metadata !"."}
+!2 = metadata !{}
+!3 = metadata !{metadata !4}
+!4 = metadata !{metadata !"0x2e\00conditional_store\00conditional_store\00\001\000\001\000\006\00256\001\001", metadata !1, metadata !5, metadata !6, null, void (i32*)* @conditional_store, null, null, metadata !2} ; [ DW_TAG_subprogram ]
+!5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ]
+!6 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !2, null, null, null} ; [ DW_TAG_subroutine_type ]
+!7 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
+!8 = metadata !{i32 2, metadata !"Debug Info Version", i32 2}
+!9 = metadata !{metadata !"clang version 3.6.0"}
+!10 = metadata !{i32 2, i32 8, metadata !11, null}
+!11 = metadata !{metadata !"0xb\002\003\000", metadata !1, metadata !4} ; [ DW_TAG_lexical_block ]
+!12 = metadata !{i32 3, i32 9, metadata !13, null}
+!13 = metadata !{metadata !"0xb\003\009\000", metadata !1, metadata !11} ; [ DW_TAG_lexical_block ]
+!14 = metadata !{metadata !15, metadata !15, i64 0}
+!15 = metadata !{metadata !"int", metadata !16, i64 0}
+!16 = metadata !{metadata !"omnipotent char", metadata !17, i64 0}
+!17 = metadata !{metadata !"Simple C/C++ TBAA"}
+!18 = metadata !{i32 3, i32 29, metadata !13, null}
+!19 = metadata !{i32 4, i32 1, metadata !4, null}