Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/LoopVectorize/X86/tripcount.ll

@@ -1,39 +0,0 @@
-; RUN: opt -S -loop-vectorize -force-vector-width=2 -force-vector-interleave=1 -mcpu=prescott < %s | FileCheck %s
-
-target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128"
-target triple = "i386-unknown-freebsd11.0"
-
-@big = external global [0 x i32]
-
-; PR18049
-; We need to truncate the exit count to i32. This is legal because the
-; arithmetic is signed (%inc is nsw).
-
-; CHECK-LABEL: tripcount
-; CHECK: trunc i64 %count to i32
-
-define void @tripcount(i64 %count) {
-entry:
-  %cmp6 = icmp sgt i64 %count, 0
-  br i1 %cmp6, label %for.body.preheader, label %for.end
-
-for.body.preheader:
-  br label %for.body
-
-for.body:
-  %i.07 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
-  %arrayidx = getelementptr inbounds [0 x i32], [0 x i32]* @big, i32 0, i32 %i.07
-  %0 = load i32, i32* %arrayidx, align 4
-  %neg = xor i32 %0, -1
-  store i32 %neg, i32* %arrayidx, align 4
-  %inc = add nsw i32 %i.07, 1
-  %conv = sext i32 %inc to i64
-  %cmp = icmp slt i64 %conv, %count
-  br i1 %cmp, label %for.body, label %for.end.loopexit
-
-for.end.loopexit:
-  br label %for.end
-
-for.end:
-  ret void
-}