Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449
2018-11-17 08:23:10 +00:00
parent 8e12397d70
commit eb85e2fc17
28480 changed files with 72 additions and 3866936 deletions
--- a/external/llvm/test/Transforms/LoopVectorize/tripcount.ll
+++ b/external/llvm/test/Transforms/LoopVectorize/tripcount.ll
@ -1,91 +0,0 @@
-; This test verifies that the loop vectorizer will not vectorizes low trip count
-; loops that require runtime checks (Trip count is computed with profile info).
-; REQUIRES: asserts
-; RUN: opt < %s -loop-vectorize -loop-vectorize-with-block-frequency -S | FileCheck %s
-
-target datalayout = "E-m:e-p:32:32-i64:32-f64:32:64-a:0:32-n32-S128"
-
-@tab = common global [32 x i8] zeroinitializer, align 1
-
-define i32 @foo_low_trip_count1(i32 %bound) {
-; Simple loop with low tripcount. Should not be vectorized.
-
-; CHECK-LABEL: @foo_low_trip_count1(
-; CHECK-NOT: <{{[0-9]+}} x i8>
-
-entry:
-  br label %for.body
-
-for.body:                                         ; preds = %for.body, %entry
-  %i.08 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
-  %arrayidx = getelementptr inbounds [32 x i8], [32 x i8]* @tab, i32 0, i32 %i.08
-  %0 = load i8, i8* %arrayidx, align 1
-  %cmp1 = icmp eq i8 %0, 0
-  %. = select i1 %cmp1, i8 2, i8 1
-  store i8 %., i8* %arrayidx, align 1
-  %inc = add nsw i32 %i.08, 1
-  %exitcond = icmp eq i32 %i.08, %bound
-  br i1 %exitcond, label %for.end, label %for.body, !prof !1
-
-for.end:                                          ; preds = %for.body
-  ret i32 0
-}
-
-define i32 @foo_low_trip_count2(i32 %bound) !prof !0 {
-; The loop has a same invocation count with the function, but has a low
-; trip_count per invocation and not worth to vectorize.
-
-; CHECK-LABEL: @foo_low_trip_count2(
-; CHECK-NOT: <{{[0-9]+}} x i8>
-
-entry:
-  br label %for.body
-
-for.body:                                         ; preds = %for.body, %entry
-  %i.08 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
-  %arrayidx = getelementptr inbounds [32 x i8], [32 x i8]* @tab, i32 0, i32 %i.08
-  %0 = load i8, i8* %arrayidx, align 1
-  %cmp1 = icmp eq i8 %0, 0
-  %. = select i1 %cmp1, i8 2, i8 1
-  store i8 %., i8* %arrayidx, align 1
-  %inc = add nsw i32 %i.08, 1
-  %exitcond = icmp eq i32 %i.08, %bound
-  br i1 %exitcond, label %for.end, label %for.body, !prof !1
-
-for.end:                                          ; preds = %for.body
-  ret i32 0
-}
-
-define i32 @foo_low_trip_count3(i1 %cond, i32 %bound) !prof !0 {
-; The loop has low invocation count compare to the function invocation count, 
-; but has a high trip count per invocation. Vectorize it.
-
-; CHECK-LABEL: @foo_low_trip_count3(
-; CHECK: vector.body:
-
-entry:
-  br i1 %cond, label %for.preheader, label %for.end, !prof !2
-
-for.preheader:
-  br label %for.body
-
-for.body:                                         ; preds = %for.body, %entry
-  %i.08 = phi i32 [ 0, %for.preheader ], [ %inc, %for.body ]
-  %arrayidx = getelementptr inbounds [32 x i8], [32 x i8]* @tab, i32 0, i32 %i.08
-  %0 = load i8, i8* %arrayidx, align 1
-  %cmp1 = icmp eq i8 %0, 0
-  %. = select i1 %cmp1, i8 2, i8 1
-  store i8 %., i8* %arrayidx, align 1
-  %inc = add nsw i32 %i.08, 1
-  %exitcond = icmp eq i32 %i.08, %bound
-  br i1 %exitcond, label %for.end, label %for.body, !prof !3
-
-for.end:                                          ; preds = %for.body
-  ret i32 0
-}
-
-
-!0 = !{!"function_entry_count", i64 100}
-!1 = !{!"branch_weights", i32 100, i32 0}
-!2 = !{!"branch_weights", i32 10, i32 90}
-!3 = !{!"branch_weights", i32 10, i32 10000}