[llvm] a5e253d - [LoopVectorize] Regenerate test checks (NFC)

[Nikita Popov via llvm-commits]

Author: Nikita Popov
Date: 2023-07-07T14:42:31+02:00
New Revision: a5e253d659fefd8022c9b7918cba1121bd6235bd

URL: https://github.com/llvm/llvm-project/commit/a5e253d659fefd8022c9b7918cba1121bd6235bd
DIFF: https://github.com/llvm/llvm-project/commit/a5e253d659fefd8022c9b7918cba1121bd6235bd.diff

LOG: [LoopVectorize] Regenerate test checks (NFC)

Added: 
    

Modified: 
    llvm/test/Transforms/LoopVectorize/non-const-n.ll

Removed: 
    


################################################################################
diff  --git a/llvm/test/Transforms/LoopVectorize/non-const-n.ll b/llvm/test/Transforms/LoopVectorize/non-const-n.ll
index a7d148af4f74f9..0c2b7fb1da6d9d 100644
--- a/llvm/test/Transforms/LoopVectorize/non-const-n.ll
+++ b/llvm/test/Transforms/LoopVectorize/non-const-n.ll
@@ -1,3 +1,4 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3
 ; RUN: opt < %s -passes=loop-vectorize,dce,instcombine -force-vector-interleave=1 -force-vector-width=4 -S | 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"
@@ -6,32 +7,62 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
 @c = common global [2048 x i32] zeroinitializer, align 16
 @a = common global [2048 x i32] zeroinitializer, align 16
 
-;CHECK-LABEL: @example1(
-;CHECK: shl i32
-;CHECK: zext i32
-;CHECK: load <4 x i32>
-;CHECK: add nsw <4 x i32>
-;CHECK: store <4 x i32>
-;CHECK: ret void
 define void @example1(i32 %n) nounwind uwtable ssp {
+; CHECK-LABEL: define void @example1
+; CHECK-SAME: (i32 [[N:%.*]]) #[[ATTR0:[0-9]+]] {
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[N4:%.*]] = shl i32 [[N]], 2
+; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[N4]], -4
+; CHECK-NEXT:    [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
+; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK:       vector.ph:
+; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
+; CHECK:       vector.body:
+; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds [2048 x i32], ptr @b, i64 0, i64 [[INDEX]]
+; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP2]], align 16
+; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds [2048 x i32], ptr @c, i64 0, i64 [[INDEX]]
+; CHECK-NEXT:    [[WIDE_LOAD1:%.*]] = load <4 x i32>, ptr [[TMP3]], align 16
+; CHECK-NEXT:    [[TMP4:%.*]] = add nsw <4 x i32> [[WIDE_LOAD1]], [[WIDE_LOAD]]
+; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds [2048 x i32], ptr @a, i64 0, i64 [[INDEX]]
+; CHECK-NEXT:    store <4 x i32> [[TMP4]], ptr [[TMP5]], align 16
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
+; CHECK-NEXT:    [[TMP6:%.*]] = icmp eq i64 [[INDEX]], [[TMP1]]
+; CHECK-NEXT:    br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
+; CHECK:       middle.block:
+; CHECK-NEXT:    br i1 true, label [[EXIT:%.*]], label [[SCALAR_PH]]
+; CHECK:       scalar.ph:
+; CHECK-NEXT:    br label [[LOOP:%.*]]
+; CHECK:       loop:
+; CHECK-NEXT:    br i1 poison, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP3:![0-9]+]]
+; CHECK:       exit:
+; CHECK-NEXT:    ret void
+;
+entry:
   %n4 = shl i32 %n, 2
-  br label %1
+  br label %loop
 
-; <label>:1                                       ; preds = %1, %0
-  %indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %1 ]
-  %2 = getelementptr inbounds [2048 x i32], ptr @b, i64 0, i64 %indvars.iv
-  %3 = load i32, ptr %2, align 4
-  %4 = getelementptr inbounds [2048 x i32], ptr @c, i64 0, i64 %indvars.iv
-  %5 = load i32, ptr %4, align 4
-  %6 = add nsw i32 %5, %3
-  %7 = getelementptr inbounds [2048 x i32], ptr @a, i64 0, i64 %indvars.iv
-  store i32 %6, ptr %7, align 4
+loop:
+  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %loop ]
+  %gep1 = getelementptr inbounds [2048 x i32], ptr @b, i64 0, i64 %indvars.iv
+  %load1 = load i32, ptr %gep1, align 4
+  %gep2 = getelementptr inbounds [2048 x i32], ptr @c, i64 0, i64 %indvars.iv
+  %load2 = load i32, ptr %gep2, align 4
+  %add = add nsw i32 %load2, %load1
+  %gep3 = getelementptr inbounds [2048 x i32], ptr @a, i64 0, i64 %indvars.iv
+  store i32 %add, ptr %gep3, align 4
   %indvars.iv.next = add i64 %indvars.iv, 1
   %lftr.wideiv = trunc i64 %indvars.iv.next to i32
   %exitcond = icmp eq i32 %lftr.wideiv, %n4
-  br i1 %exitcond, label %8, label %1
+  br i1 %exitcond, label %exit, label %loop
 
-; <label>:8                                       ; preds = %1
+exit:
   ret void
 }
 
+;.
+; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}
+; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}
+; CHECK: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}
+; CHECK: [[LOOP3]] = distinct !{[[LOOP3]], [[META2]], [[META1]]}
+;.