gcc/testsuite/
* g++.dg/pr99966.C: New.
* gcc.dg/pr93917.c: New.
* gcc.dg/pr102650.c: New.
--- /dev/null
+// { dg-do compile }
+// { dg-require-effective-target c++17 }
+// { dg-options "-O2 -fdump-tree-vrp1" }
+
+// Test we can remove a range bound after the assert.
+
+#include <cassert>
+#include <cstdint>
+#include <cstddef>
+#include <vector>
+
+uint64_t f(std::vector<uint64_t>& data, size_t start, size_t end){
+ assert(start < end && start < data.size() && end <= data.size());
+
+
+ uint64_t total = 0;
+ for (size_t i = start; i < end; i++) {
+ total += data.at(i);
+ }
+ return total;
+}
+
+/* { dg-final { scan-tree-dump-not "throw" "vrp1"} } */
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O3 -fdump-tree-vrp1" } */
+
+static int a = 2, b, c, d;
+void foo(void);
+int main() {
+ short e;
+ int f = -1;
+ if (b)
+ c = 0;
+ c || (f = 2);
+ for (; d < 1; d++)
+ e = f + a;
+ if (!e)
+ foo();
+ return 0;
+}
+
+/* { dg-final { scan-tree-dump-not "foo" "vrp1" } } */
+
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-vrp1" } */
+
+void f3(int n);
+
+void f1(int n)
+{
+ if(n<0)
+ __builtin_unreachable();
+ f3(n);
+}
+
+void f2(int*n)
+{
+ if(*n<0)
+ __builtin_unreachable();
+ f3 (*n);
+}
+
+/* { dg-final { scan-tree-dump-times "Global Exported" 2 "vrp1" } } */