[llvm-bugs] [Bug 41532] New: update_test_checks does not actually handle block names

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=41532

            Bug ID: 41532
           Summary: update_test_checks does not actually handle block
                    names
           Product: tools
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: support scripts
          Assignee: unassignedbugs at nondot.org
          Reporter: lebedev.ri at gmail.com
                CC: greg.bedwell at sony.com, i at maskray.me,
                    llvm-bugs at lists.llvm.org

/build/llvm/utils/update_test_checks.py --opt-binary ./bin/opt /tmp/test-cfg.ll
produces:

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -S | FileCheck %s

define i1 @test(i1 %arg) {
; CHECK-LABEL: @test(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br i1 [[ARG:%.*]], label [[TRUEBB:%.*]], label [[FALSEBB:%.*]]
; CHECK:       truebb:
; CHECK-NEXT:    br label [[END:%.*]]
; CHECK:       falsebb:
; CHECK-NEXT:    br label [[END]]
; CHECK:       end:
; CHECK-NEXT:    [[RES:%.*]] = phi i1 [ true, [[TRUEBB]] ], [ false,
[[FALSEBB]] ]
; CHECK-NEXT:    ret i1 [[RES]]
;
entry:
  br i1 %arg, label %truebb, label %falsebb
truebb:
  br label %end
falsebb:
  br label %end
end:
  %res = phi i1 [ true, %truebb ], [ false, %falsebb ]
  ret i1 %res
}

But it didn't change "truebb:" into "[[TRUEBB]]" and so on.

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