[PATCH] D139222: [Inline] Add a basic test for the module inliner

[Kazu Hirata via Phabricator via llvm-commits]

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The new test ensures that the module inliner works with all currently
supported priority modes.

Different priority modes result in no difference in terms of the
output for these simple cases, so this is more of a "better than
nothing" test.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D139222

Files:
  llvm/test/Transforms/Inline/module-inliner-basic.ll


Index: llvm/test/Transforms/Inline/module-inliner-basic.ll
===================================================================
--- /dev/null
+++ llvm/test/Transforms/Inline/module-inliner-basic.ll
@@ -0,0 +1,20 @@
+; RUN: opt -passes=module-inline                                    -S < %s | FileCheck %s
+; RUN: opt -passes=module-inline -inline-priority-mode=size         -S < %s | FileCheck %s
+; RUN: opt -passes=module-inline -inline-priority-mode=cost         -S < %s | FileCheck %s
+; RUN: opt -passes=module-inline -inline-priority-mode=cost-benefit -S < %s | FileCheck %s
+
+define i32 @callee(i32 %a) {
+entry:
+  %add = add nsw i32 %a, 1
+  ret i32 %add
+}
+
+define i32 @caller(i32 %a) {
+entry:
+  %call = call i32 @callee(i32 %a)
+  ret i32 %call
+}
+
+; CHECK-LABEL: @caller
+; CHECK-NOT:     call
+; CHECK:         ret


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