[clang] [flang] [flang][clang] Add support for -finit-logical in Flang (PR #150939)

[Kiran Chandramohan via cfe-commits]

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@@ -0,0 +1,82 @@
+! RUN: %flang_fc1 -emit-fir -o - %s | FileCheck --check-prefix=CHECK-UNINT %s
+! RUN: %flang_fc1 -emit-fir -finit-logical=true -o - %s | FileCheck --check-prefix=CHECK-TRUE %s
+! RUN: %flang_fc1 -emit-fir -finit-logical=false -o - %s | FileCheck --check-prefix=CHECK-FALSE %s
+
+subroutine logical_scalar
+!CHECK-UNINT-NOT: {{.}} = fir.convert %true : (i1) -> !fir.logical<4>
+!CHECK-UNINT-NOT: {{.*}} = fir.convert %false : (i1) -> !fir.logical<4>
+
+!CHECK-TRUE: {{.}} = fir.convert %true : (i1) -> !fir.logical<4>
+!CHECK-TRUE-NOT: {{.*}} = fir.convert %false : (i1) -> !fir.logical<4>
+
+!CHECK-FALSE: {{.*}} = fir.convert %false : (i1) -> !fir.logical<4>
+!CHECK-FALSE-NOT: {{.}} = fir.convert %true : (i1) -> !fir.logical<4>
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kiranchandramohan wrote:

It is probably better to test that the variable is assigned the relevant value.

https://github.com/llvm/llvm-project/pull/150939