[flang-commits] [clang] [flang] [Flang][Driver] Add support for option -f[no-]split-machine-functions in flang (PR #216637)

[Kaviya Rajendiran via flang-commits]

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+! Verify that the MachineFunctionSplitter pass is enabled while passing -fsplit-machine-functions.
+
+! REQUIRES: x86-registered-target
+
+! RUN: %flang_fc1 -S -fsplit-machine-functions %s \
+! RUN:   -triple x86_64-unknown-linux-gnu \
+! RUN:   -mllvm -debug-pass=Structure -o %t 2>&1 \
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kaviya2510 wrote:

`MachineFunctionSplitter` pass is a `MachineFunctionPass` whereas `fdebug-pass-manager` is an IR-level pass and it don't see machine passes at all.

So I used `-mllvm -debug-pass=Structure`. 

https://github.com/llvm/llvm-project/pull/216637