[test] Precommit SCEV test

Author: aeubanks

llvm/test/Analysis/ScalarEvolution/malloc.ll

@@ -0,0 +1,26 @@
+; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 2
+; RUN: opt -passes='print<scalar-evolution>' -disable-output %s 2>&1 | FileCheck %s
+
+define ptr @f() {
+; CHECK-LABEL: 'f'
+; CHECK-NEXT:  Classifying expressions for: @f
+; CHECK-NEXT:    %alloc = tail call dereferenceable(64) ptr @malloc(i64 64)
+; CHECK-NEXT:    --> %alloc U: full-set S: full-set
+; CHECK-NEXT:  Determining loop execution counts for: @f
+;
+  %alloc = tail call dereferenceable(64) ptr @malloc(i64 64)
+  ret ptr %alloc
+}
+
+define ptr @f2() {
+; CHECK-LABEL: 'f2'
+; CHECK-NEXT:  Classifying expressions for: @f2
+; CHECK-NEXT:    %alloc = tail call dereferenceable_or_null(64) ptr @malloc(i64 64)
+; CHECK-NEXT:    --> %alloc U: full-set S: full-set
+; CHECK-NEXT:  Determining loop execution counts for: @f2
+;
+  %alloc = tail call dereferenceable_or_null(64) ptr @malloc(i64 64)
+  ret ptr %alloc
+}
+
+declare noalias noundef ptr @malloc(i64 noundef) allockind("alloc,uninitialized") allocsize(0)