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-rw-r--r--gcc/testsuite/gfortran.dg/merge_init_expr.f9028
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/merge_init_expr.f90 b/gcc/testsuite/gfortran.dg/merge_init_expr.f90
new file mode 100644
index 000000000..c691aa0e3
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/merge_init_expr.f90
@@ -0,0 +1,28 @@
+! { dg-do run }
+!
+! Check simplification of MERGE.
+!
+
+ INTEGER, PARAMETER :: array(3) = [1, 2, 3]
+ LOGICAL, PARAMETER :: mask(3) = [ .TRUE., .FALSE., .TRUE. ]
+
+ INTEGER, PARAMETER :: scalar_1 = MERGE (1, 0, .TRUE.)
+ INTEGER, PARAMETER :: scalar_2 = MERGE (0, 1, .FALSE.)
+
+ INTEGER, PARAMETER :: array_1(3) = MERGE (array, 0, .TRUE.)
+ INTEGER, PARAMETER :: array_2(3) = MERGE (array, 0, .FALSE.)
+ INTEGER, PARAMETER :: array_3(3) = MERGE (0, array, .TRUE.)
+ INTEGER, PARAMETER :: array_4(3) = MERGE (0, array, .FALSE.)
+ INTEGER, PARAMETER :: array_5(3) = MERGE (1, 0, mask)
+ INTEGER, PARAMETER :: array_6(3) = MERGE (array, -array, mask)
+
+ INTEGER, PARAMETER :: array_7(3) = MERGE ([1,2,3], -array, mask)
+
+ IF (scalar_1 /= 1 .OR. scalar_2 /= 1) CALL abort
+ IF (.NOT. ALL (array_1 == array)) CALL abort
+ IF (.NOT. ALL (array_2 == [0, 0, 0])) CALL abort
+ IF (.NOT. ALL (array_3 == [0, 0, 0])) CALL abort
+ IF (.NOT. ALL (array_4 == array)) CALL abort
+ IF (.NOT. ALL (array_5 == [1, 0, 1])) CALL abort
+ IF (.NOT. ALL (array_6 == [1, -2, 3])) CALL abort
+END