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[UTC] Add test where double braces need to be escaped.

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Test for #71790.
This commit is contained in:
Florian Hahn
2023-11-09 15:00:08 +00:00
parent 369c9b791b
commit 129a91ec01
2 changed files with 101 additions and 0 deletions
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34
llvm/test/tools/UpdateTestChecks/update_analyze_test_checks/Inputs/loop-access-analysis.ll
View File

@@ -21,3 +21,37 @@ loop:
exit:
ret void
}
define void @test_brace_escapes(ptr noundef %arr) {
entry:
br label %loop.1
loop.1:
%iv = phi i64 [ %iv.next, %loop.1 ], [ 8, %entry ]
%arr.addr.0.i = phi ptr [ %incdec.ptr.i, %loop.1 ], [ %arr, %entry ]
%incdec.ptr.i = getelementptr inbounds ptr, ptr %arr.addr.0.i, i64 1
%0 = load ptr, ptr %arr.addr.0.i, align 8
%tobool.not.i = icmp eq ptr %0, null
%iv.next = add i64 %iv, 8
br i1 %tobool.not.i, label %loop.1.exit, label %loop.1
loop.1.exit:
%iv.lcssa = phi i64 [ %iv, %loop.1 ]
br label %loop.2
loop.2:
%iv.1 = phi i64 [ 0, %loop.1.exit ], [ %iv.1.next, %loop.2 ]
%iv.2 = phi i64 [ %iv.lcssa, %loop.1.exit ], [ %iv.2.next, %loop.2 ]
%gep.iv.1 = getelementptr inbounds ptr, ptr %arr, i64 %iv.1
%l.1 = load ptr, ptr %gep.iv.1, align 8
%iv.2.next = add nsw i64 %iv.2, 1
%gep.iv.2 = getelementptr inbounds ptr, ptr %arr, i64 %iv.2
store ptr %l.1, ptr %gep.iv.2, align 8
%iv.1.next = add nuw nsw i64 %iv.1, 1
%cmp = icmp ult i64 %iv.1.next, 1000
br i1 %cmp, label %loop.2, label %exit
exit:
ret void
}

67
llvm/test/tools/UpdateTestChecks/update_analyze_test_checks/Inputs/loop-access-analysis.ll.expected
View File

@@ -56,3 +56,70 @@ loop:
exit:
ret void
}
define void @test_brace_escapes(ptr noundef %arr) {
; CHECK-LABEL: 'test_brace_escapes'
; CHECK-NEXT: loop.1:
; CHECK-NEXT: Report: could not determine number of loop iterations
; CHECK-NEXT: Dependences:
; CHECK-NEXT: Run-time memory checks:
; CHECK-NEXT: Grouped accesses:
; CHECK-EMPTY:
; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
; CHECK-NEXT: SCEV assumptions:
; CHECK-EMPTY:
; CHECK-NEXT: Expressions re-written:
; CHECK-NEXT: loop.2:
; CHECK-NEXT: Memory dependences are safe with run-time checks
; CHECK-NEXT: Dependences:
; CHECK-NEXT: Run-time memory checks:
; CHECK-NEXT: Check 0:
; CHECK-NEXT: Comparing group ([[GRP4:0x[0-9a-f]+]]):
; CHECK-NEXT: %gep.iv.2 = getelementptr inbounds ptr, ptr %arr, i64 %iv.2
; CHECK-NEXT: Against group ([[GRP5:0x[0-9a-f]+]]):
; CHECK-NEXT: %gep.iv.1 = getelementptr inbounds ptr, ptr %arr, i64 %iv.1
; CHECK-NEXT: Grouped accesses:
; CHECK-NEXT: Group [[GRP4]]:
; CHECK-NEXT: (Low: {(64 + %arr),+,64}<%loop.1> High: {(8064 + %arr),+,64}<%loop.1>)
; CHECK-NEXT: Member: {{(64 + %arr),+,64}<%loop.1>,+,8}<%loop.2>
; CHECK-NEXT: Group [[GRP5]]:
; CHECK-NEXT: (Low: %arr High: (8000 + %arr))
; CHECK-NEXT: Member: {%arr,+,8}<nuw><%loop.2>
; CHECK-EMPTY:
; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
; CHECK-NEXT: SCEV assumptions:
; CHECK-EMPTY:
; CHECK-NEXT: Expressions re-written:
;
entry:
br label %loop.1
loop.1:
%iv = phi i64 [ %iv.next, %loop.1 ], [ 8, %entry ]
%arr.addr.0.i = phi ptr [ %incdec.ptr.i, %loop.1 ], [ %arr, %entry ]
%incdec.ptr.i = getelementptr inbounds ptr, ptr %arr.addr.0.i, i64 1
%0 = load ptr, ptr %arr.addr.0.i, align 8
%tobool.not.i = icmp eq ptr %0, null
%iv.next = add i64 %iv, 8
br i1 %tobool.not.i, label %loop.1.exit, label %loop.1
loop.1.exit:
%iv.lcssa = phi i64 [ %iv, %loop.1 ]
br label %loop.2
loop.2:
%iv.1 = phi i64 [ 0, %loop.1.exit ], [ %iv.1.next, %loop.2 ]
%iv.2 = phi i64 [ %iv.lcssa, %loop.1.exit ], [ %iv.2.next, %loop.2 ]
%gep.iv.1 = getelementptr inbounds ptr, ptr %arr, i64 %iv.1
%l.1 = load ptr, ptr %gep.iv.1, align 8
%iv.2.next = add nsw i64 %iv.2, 1
%gep.iv.2 = getelementptr inbounds ptr, ptr %arr, i64 %iv.2
store ptr %l.1, ptr %gep.iv.2, align 8
%iv.1.next = add nuw nsw i64 %iv.1, 1
%cmp = icmp ult i64 %iv.1.next, 1000
br i1 %cmp, label %loop.2, label %exit
exit:
ret void
}