================
@@ -0,0 +1,33 @@
+! Tests that -finit-local= and -finit-local-zero are accepted by the Flang
+! driver and forwarded correctly to -fc1.
+
+! --- Valid values: zero, nan, snan, hex byte ---
+! RUN: %flang -### -S -finit-local=zero %s -o - 2>&1 | FileCheck
--check-prefix=CHECK-ZERO %s
+! RUN: %flang -### -S -finit-local=nan %s -o - 2>&1 | FileCheck
--check-prefix=CHECK-NAN %s
+! RUN: %flang -### -S -finit-local=snan %s -o - 2>&1 | FileCheck
--check-prefix=CHECK-SNAN %s
+! RUN: %flang -### -S -finit-local=0xAA %s -o - 2>&1 | FileCheck
--check-prefix=CHECK-HEX %s
+! RUN: %flang -### -S -finit-local=0xff %s -o - 2>&1 | FileCheck
--check-prefix=CHECK-HEX2 %s
+
+! --- GFortran alias: -finit-local-zero ---
+! RUN: %flang -### -S -finit-local-zero %s -o - 2>&1 | FileCheck
--check-prefix=CHECK-ALIAS %s
+
+! --- Compiler (fc1) directly accepts -finit-local= ---
+! RUN: %flang_fc1 -emit-hlfir -finit-local=zero %s -o -
+! RUN: %flang_fc1 -emit-hlfir -finit-local=nan %s -o -
+! RUN: %flang_fc1 -emit-hlfir -finit-local=snan %s -o -
+! RUN: %flang_fc1 -emit-hlfir -finit-local=0xAA %s -o -
+! RUN: %flang_fc1 -emit-hlfir -finit-local-zero %s -o -
+
+! --- Invalid value should produce a diagnostic (fc1 level) ---
+! RUN: not %flang_fc1 -emit-hlfir -finit-local=bogus %s -o - 2>&1 | FileCheck
--check-prefix=CHECK-ERR %s
+
+! CHECK-ZERO: "-fc1"{{.*}}"-finit-local=zero"
----------------
tarunprabhu wrote:
nit: I would add some spaces for readability.
```suggestion
! CHECK-ZERO: "-fc1"{{.*}} "-finit-local=zero"
```
Alternatively, you could consider splitting these into separate prefixes. The
latter looks a bit cleaner to me.
```
FC1: "-fc1"
ZERO-SAME: "-finit-local-zero"
```
https://github.com/llvm/llvm-project/pull/216164
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