[llvm] [InstCombine] Extend fcmp+select folding to minnum/maxnum intrinsics (PR #112088)

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``````````bash
git-clang-format --diff 76007138f4ffd4e0f510d12b5e8cad529c21f24d 1713edf3bb089296013f6fd6acd088bc17dd1dc8 --extensions h,cpp -- llvm/include/llvm/IR/PatternMatch.h llvm/lib/Analysis/IVDescriptors.cpp llvm/lib/Analysis/ValueTracking.cpp llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp llvm/unittests/IR/PatternMatch.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/unittests/IR/PatternMatch.cpp b/llvm/unittests/IR/PatternMatch.cpp
index bd4a102666..367ba6ab52 100644
--- a/llvm/unittests/IR/PatternMatch.cpp
+++ b/llvm/unittests/IR/PatternMatch.cpp
@@ -1159,7 +1159,7 @@ TEST_F(PatternMatchTest, FloatingPointMax) {
 
   // [OU]LE with inverted select.
   EXPECT_TRUE(m_OrdOrUnordFMax(m_Value(MatchL), m_Value(MatchR))
-                   .match(IRB.CreateSelect(IRB.CreateFCmpOLE(L, R), R, L)));
+                  .match(IRB.CreateSelect(IRB.CreateFCmpOLE(L, R), R, L)));
   EXPECT_TRUE(m_OrdOrUnordFMax(m_Value(MatchL), m_Value(MatchR))
                   .match(IRB.CreateSelect(IRB.CreateFCmpULE(L, R), R, L)));
   EXPECT_EQ(L, MatchL);
@@ -1167,7 +1167,7 @@ TEST_F(PatternMatchTest, FloatingPointMax) {
 
   // [OUT]LT with inverted select.
   EXPECT_TRUE(m_OrdOrUnordFMax(m_Value(MatchL), m_Value(MatchR))
-                   .match(IRB.CreateSelect(IRB.CreateFCmpOLT(L, R), R, L)));
+                  .match(IRB.CreateSelect(IRB.CreateFCmpOLT(L, R), R, L)));
   EXPECT_TRUE(m_OrdOrUnordFMax(m_Value(MatchL), m_Value(MatchR))
                   .match(IRB.CreateSelect(IRB.CreateFCmpULT(L, R), R, L)));
   EXPECT_EQ(L, MatchL);

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https://github.com/llvm/llvm-project/pull/112088