[llvm] [ConstantFPRange] Implement `ConstantFPRange::makeExactFCmpRegion` (PR #111490)

[Yingwei Zheng via llvm-commits]

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@@ -743,4 +743,28 @@ TEST_F(ConstantFPRangeTest, fcmp) {
   }
 }
 
+TEST_F(ConstantFPRangeTest, makeExactFCmpRegion) {
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dtcxzyw wrote:

This test only takes about 1ms with optimized build.


https://github.com/llvm/llvm-project/pull/111490