Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927
2018-11-16 08:20:38 +00:00
parent 5cd5df71cc
commit 8e12397d70
28486 changed files with 3867013 additions and 66 deletions
--- a/external/llvm/test/Transforms/SLPVectorizer/X86/simple-loop.ll
+++ b/external/llvm/test/Transforms/SLPVectorizer/X86/simple-loop.ll
@ -0,0 +1,100 @@
+; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.8.0"
+
+;CHECK:rollable
+define i32 @rollable(i32* noalias nocapture %in, i32* noalias nocapture %out, i64 %n) {
+  %1 = icmp eq i64 %n, 0
+  br i1 %1, label %._crit_edge, label %.lr.ph
+
+.lr.ph:                                           ; preds = %0, %.lr.ph
+  %i.019 = phi i64 [ %26, %.lr.ph ], [ 0, %0 ]
+  %2 = shl i64 %i.019, 2
+  %3 = getelementptr inbounds i32, i32* %in, i64 %2
+;CHECK:load <4 x i32>
+  %4 = load i32, i32* %3, align 4
+  %5 = or i64 %2, 1
+  %6 = getelementptr inbounds i32, i32* %in, i64 %5
+  %7 = load i32, i32* %6, align 4
+  %8 = or i64 %2, 2
+  %9 = getelementptr inbounds i32, i32* %in, i64 %8
+  %10 = load i32, i32* %9, align 4
+  %11 = or i64 %2, 3
+  %12 = getelementptr inbounds i32, i32* %in, i64 %11
+  %13 = load i32, i32* %12, align 4
+;CHECK:mul <4 x i32>
+  %14 = mul i32 %4, 7
+;CHECK:add <4 x i32>
+  %15 = add i32 %14, 7
+  %16 = mul i32 %7, 7
+  %17 = add i32 %16, 14
+  %18 = mul i32 %10, 7
+  %19 = add i32 %18, 21
+  %20 = mul i32 %13, 7
+  %21 = add i32 %20, 28
+  %22 = getelementptr inbounds i32, i32* %out, i64 %2
+;CHECK:store <4 x i32>
+  store i32 %15, i32* %22, align 4
+  %23 = getelementptr inbounds i32, i32* %out, i64 %5
+  store i32 %17, i32* %23, align 4
+  %24 = getelementptr inbounds i32, i32* %out, i64 %8
+  store i32 %19, i32* %24, align 4
+  %25 = getelementptr inbounds i32, i32* %out, i64 %11
+  store i32 %21, i32* %25, align 4
+  %26 = add i64 %i.019, 1
+  %exitcond = icmp eq i64 %26, %n
+  br i1 %exitcond, label %._crit_edge, label %.lr.ph
+
+._crit_edge:                                      ; preds = %.lr.ph, %0
+;CHECK: ret
+  ret i32 undef
+}
+
+;CHECK:unrollable
+;CHECK-NOT: <4 x i32>
+;CHECK: ret
+define i32 @unrollable(i32* %in, i32* %out, i64 %n) nounwind ssp uwtable {
+  %1 = icmp eq i64 %n, 0
+  br i1 %1, label %._crit_edge, label %.lr.ph
+
+.lr.ph:                                           ; preds = %0, %.lr.ph
+  %i.019 = phi i64 [ %26, %.lr.ph ], [ 0, %0 ]
+  %2 = shl i64 %i.019, 2
+  %3 = getelementptr inbounds i32, i32* %in, i64 %2
+  %4 = load i32, i32* %3, align 4
+  %5 = or i64 %2, 1
+  %6 = getelementptr inbounds i32, i32* %in, i64 %5
+  %7 = load i32, i32* %6, align 4
+  %8 = or i64 %2, 2
+  %9 = getelementptr inbounds i32, i32* %in, i64 %8
+  %10 = load i32, i32* %9, align 4
+  %11 = or i64 %2, 3
+  %12 = getelementptr inbounds i32, i32* %in, i64 %11
+  %13 = load i32, i32* %12, align 4
+  %14 = mul i32 %4, 7
+  %15 = add i32 %14, 7
+  %16 = mul i32 %7, 7
+  %17 = add i32 %16, 14
+  %18 = mul i32 %10, 7
+  %19 = add i32 %18, 21
+  %20 = mul i32 %13, 7
+  %21 = add i32 %20, 28
+  %22 = getelementptr inbounds i32, i32* %out, i64 %2
+  store i32 %15, i32* %22, align 4
+  %23 = getelementptr inbounds i32, i32* %out, i64 %5
+  store i32 %17, i32* %23, align 4
+  %barrier = call i32 @goo(i32 0)                      ; <---------------- memory barrier.
+  %24 = getelementptr inbounds i32, i32* %out, i64 %8
+  store i32 %19, i32* %24, align 4
+  %25 = getelementptr inbounds i32, i32* %out, i64 %11
+  store i32 %21, i32* %25, align 4
+  %26 = add i64 %i.019, 1
+  %exitcond = icmp eq i64 %26, %n
+  br i1 %exitcond, label %._crit_edge, label %.lr.ph
+
+._crit_edge:                                      ; preds = %.lr.ph, %0
+  ret i32 undef
+}
+
+declare i32 @goo(i32)