[PATCH] D136469: [llvm-lit][test] Fix regex to capture scientific notation

[Owen Reynolds via Phabricator via llvm-commits]

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We were seeing an intermittent local test failure of `utils\lit\tests\test-output.py` in which the elapsed time output was being given in scientific notation. Python automatically represents small floating-point values in scientific notation so I have altered these tests regex to capture output in that format.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D136469

Files:
  llvm/utils/lit/tests/test-output-micro.py
  llvm/utils/lit/tests/test-output.py


Index: llvm/utils/lit/tests/test-output.py
===================================================================
--- llvm/utils/lit/tests/test-output.py
+++ llvm/utils/lit/tests/test-output.py
@@ -7,7 +7,7 @@
 # CHECK-NEXT: "tests": [
 # CHECK-NEXT:   {
 # CHECK-NEXT:     "code": "PASS",
-# CHECK-NEXT:     "elapsed": {{[0-9.]+}},
+# CHECK-NEXT:     "elapsed": {{[+-]?([[:digit:]]+(.[[:digit:]]*)?|.[[:digit:]]+)([eE][+-]?[[:digit:]]+)?}},
 # CHECK-NEXT:     "metrics": {
 # CHECK-NEXT:       "value0": 1,
 # CHECK-NEXT:       "value1": 2.3456
Index: llvm/utils/lit/tests/test-output-micro.py
===================================================================
--- llvm/utils/lit/tests/test-output-micro.py
+++ llvm/utils/lit/tests/test-output-micro.py
@@ -39,7 +39,7 @@
 # CHECK-NEXT:   },
 # CHECK-NEXT:   {
 # CHECK-NEXT:     "code": "PASS",
-# CHECK-NEXT:     "elapsed": {{[0-9.]+}},
+# CHECK-NEXT:     "elapsed": {{[+-]?([[:digit:]]+(.[[:digit:]]*)?|.[[:digit:]]+)([eE][+-]?[[:digit:]]+)?}},
 # CHECK-NEXT:     "metrics": {
 # CHECK-NEXT:       "value0": 1,
 # CHECK-NEXT:       "value1": 2.3456


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