[llvm] 565b28f - [GVN][NFC] Pre-commit test for D93503

[KAWASHIMA Takahiro via llvm-commits]

Author: KAWASHIMA Takahiro
Date: 2021-04-01T10:00:48+09:00
New Revision: 565b28f57b55a88de96b5d58a92bce904f4a9afc

URL: https://github.com/llvm/llvm-project/commit/565b28f57b55a88de96b5d58a92bce904f4a9afc
DIFF: https://github.com/llvm/llvm-project/commit/565b28f57b55a88de96b5d58a92bce904f4a9afc.diff

LOG: [GVN][NFC] Pre-commit test for D93503

Added: 
    llvm/test/Transforms/GVN/PRE/load-pre-metadata-accsess-group.ll

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/llvm/test/Transforms/GVN/PRE/load-pre-metadata-accsess-group.ll b/llvm/test/Transforms/GVN/PRE/load-pre-metadata-accsess-group.ll
new file mode 100644
index 0000000000000..5bbbf75955fd5
--- /dev/null
+++ b/llvm/test/Transforms/GVN/PRE/load-pre-metadata-accsess-group.ll
@@ -0,0 +1,111 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -loops -basic-aa -gvn -enable-load-pre -S | FileCheck %s
+
+define dso_local void @test1(i32* nocapture readonly %aa, i32* nocapture %bb) local_unnamed_addr {
+; CHECK-LABEL: @test1(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[IDX:%.*]] = getelementptr inbounds i32, i32* [[BB:%.*]], i64 1
+; CHECK-NEXT:    [[IDX2:%.*]] = getelementptr inbounds i32, i32* [[AA:%.*]], i64 1
+; CHECK-NEXT:    [[TMP0:%.*]] = load i32, i32* [[IDX2]], align 4
+; CHECK-NEXT:    store i32 [[TMP0]], i32* [[IDX]], align 4
+; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
+; CHECK:       for.body:
+; CHECK-NEXT:    [[TMP1:%.*]] = phi i32 [ [[TMP0]], [[ENTRY:%.*]] ], [ [[DOTPRE:%.*]], [[FOR_BODY_FOR_BODY_CRIT_EDGE:%.*]] ]
+; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY_FOR_BODY_CRIT_EDGE]] ]
+; CHECK-NEXT:    [[IDX4:%.*]] = getelementptr inbounds i32, i32* [[AA]], i64 [[INDVARS_IV]]
+; CHECK-NEXT:    [[TMP2:%.*]] = load i32, i32* [[IDX4]], align 4, !llvm.access.group !0
+; CHECK-NEXT:    [[MUL:%.*]] = mul nsw i32 [[TMP1]], [[TMP2]]
+; CHECK-NEXT:    store i32 [[MUL]], i32* [[IDX4]], align 4, !llvm.access.group !0
+; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
+; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT]], 100
+; CHECK-NEXT:    br i1 [[EXITCOND]], label [[FOR_BODY_FOR_BODY_CRIT_EDGE]], label [[FOR_END:%.*]]
+; CHECK:       for.body.for.body_crit_edge:
+; CHECK-NEXT:    [[DOTPRE]] = load i32, i32* [[IDX]], align 4
+; CHECK-NEXT:    br label [[FOR_BODY]]
+; CHECK:       for.end:
+; CHECK-NEXT:    ret void
+;
+entry:
+  %idx = getelementptr inbounds i32, i32* %bb, i64 1
+  %idx2 = getelementptr inbounds i32, i32* %aa, i64 1
+  %0 = load i32, i32* %idx2, align 4
+  store i32 %0, i32* %idx, align 4
+  br label %for.body
+
+for.body:
+  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
+  %idx4 = getelementptr inbounds i32, i32* %aa, i64 %indvars.iv
+  %1 = load i32, i32* %idx4, align 4, !llvm.access.group !0
+  %2 = load i32, i32* %idx, align 4, !llvm.access.group !0
+  %mul = mul nsw i32 %2, %1
+  store i32 %mul, i32* %idx4, align 4, !llvm.access.group !0
+  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
+  %exitcond = icmp ne i64 %indvars.iv.next, 100
+  br i1 %exitcond, label %for.body, label %for.end
+
+for.end:
+  ret void
+}
+
+!0 = distinct !{}
+
+define dso_local void @test2(i32* nocapture readonly %aa, i32* nocapture %bb) local_unnamed_addr {
+; CHECK-LABEL: @test2(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
+; CHECK:       for.body:
+; CHECK-NEXT:    [[IDX:%.*]] = getelementptr inbounds i32, i32* [[BB:%.*]], i64 1
+; CHECK-NEXT:    [[IDX2:%.*]] = getelementptr inbounds i32, i32* [[AA:%.*]], i64 1
+; CHECK-NEXT:    [[TMP0:%.*]] = load i32, i32* [[IDX2]], align 4
+; CHECK-NEXT:    store i32 [[TMP0]], i32* [[IDX]], align 4
+; CHECK-NEXT:    [[DOTPRE:%.*]] = load i32, i32* [[AA]], align 4
+; CHECK-NEXT:    br label [[FOR_BODY2:%.*]]
+; CHECK:       for.body2:
+; CHECK-NEXT:    [[TMP1:%.*]] = phi i32 [ [[TMP0]], [[FOR_BODY]] ], [ [[DOTPRE1:%.*]], [[FOR_BODY2_FOR_BODY2_CRIT_EDGE:%.*]] ]
+; CHECK-NEXT:    [[TMP2:%.*]] = phi i32 [ [[DOTPRE]], [[FOR_BODY]] ], [ [[MUL:%.*]], [[FOR_BODY2_FOR_BODY2_CRIT_EDGE]] ]
+; CHECK-NEXT:    [[INDVARS2_IV:%.*]] = phi i64 [ 0, [[FOR_BODY]] ], [ 1, [[FOR_BODY2_FOR_BODY2_CRIT_EDGE]] ]
+; CHECK-NEXT:    [[MUL]] = mul nsw i32 [[TMP1]], [[TMP2]]
+; CHECK-NEXT:    store i32 [[MUL]], i32* [[AA]], align 4, !llvm.access.group !1
+; CHECK-NEXT:    br i1 true, label [[FOR_BODY2_FOR_BODY2_CRIT_EDGE]], label [[FOR_END:%.*]]
+; CHECK:       for.body2.for.body2_crit_edge:
+; CHECK-NEXT:    [[DOTPRE1]] = load i32, i32* [[IDX]], align 4
+; CHECK-NEXT:    br label [[FOR_BODY2]]
+; CHECK:       for.end:
+; CHECK-NEXT:    br i1 false, label [[FOR_END_FOR_BODY_CRIT_EDGE:%.*]], label [[END:%.*]]
+; CHECK:       for.end.for.body_crit_edge:
+; CHECK-NEXT:    br label [[FOR_BODY]]
+; CHECK:       end:
+; CHECK-NEXT:    ret void
+;
+entry:
+  br label %for.body
+
+for.body:
+  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.end ]
+  %idx = getelementptr inbounds i32, i32* %bb, i64 1
+  %idx2 = getelementptr inbounds i32, i32* %aa, i64 1
+  %0 = load i32, i32* %idx2, align 4
+  store i32 %0, i32* %idx, align 4
+  br label %for.body2
+
+for.body2:
+  %indvars2.iv = phi i64 [ 0, %for.body ], [ %indvars2.iv.next, %for.body2 ]
+  %idx4 = getelementptr inbounds i32, i32* %aa, i64 %indvars.iv
+  %1 = load i32, i32* %idx4, align 4, !llvm.access.group !1
+  %2 = load i32, i32* %idx, align 4, !llvm.access.group !1
+  %mul = mul nsw i32 %2, %1
+  store i32 %mul, i32* %idx4, align 4, !llvm.access.group !1
+  %indvars2.iv.next = add nuw nsw i64 %indvars.iv, 1
+  %exitcond2 = icmp ne i64 %indvars2.iv.next, 100
+  br i1 %exitcond2, label %for.body2, label %for.end
+
+for.end:
+  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
+  %exitcond = icmp ne i64 %indvars.iv.next, 100
+  br i1 %exitcond, label %for.body, label %end
+
+end:
+  ret void
+}
+
+!1 = distinct !{}