================
@@ -0,0 +1,79 @@
+// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -fclangir
-emit-cir %s -o %t.cir
+// RUN: FileCheck --input-file=%t.cir %s
+
+unsigned char cxxstaticcast_0(unsigned int x) {
+ return static_cast<unsigned char>(x);
+}
+
+// CHECK: cir.func @cxxstaticcast_0
+// CHECK: %0 = cir.alloca !cir.int<u, 32>, !cir.ptr<!cir.int<u, 32>>, ["x",
init] {alignment = 4 : i64}
+// CHECK: cir.store %arg0, %0 : !cir.int<u, 32>, !cir.ptr<!cir.int<u, 32>>
+// CHECK: %1 = cir.load %0 : !cir.ptr<!cir.int<u, 32>>, !cir.int<u, 32>
+// CHECK: %2 = cir.cast(integral, %1 : !cir.int<u, 32>), !cir.int<u, 8>
+// CHECK: cir.return %2 : !cir.int<u, 8>
+// CHECK: }
+
+
+int cStyleCasts_0(unsigned x1, int x2, float x3, short x4, double x5) {
+// CHECK: cir.func @cStyleCasts_0
+
+ char a = (char)x1; // truncate
+ // CHECK: %{{[0-9]+}} = cir.cast(integral, %{{[0-9]+}} : !cir.int<u, 32>),
!cir.int<s, 8>
----------------
mmha wrote:
I expanded the tests to include LLVM lowering where feasible. `int_to_bool` is
implemented in CIR but not in the lowering (as that requires comparisons) so I
`ifdef`ed those out for the LLVM checks.
https://github.com/llvm/llvm-project/pull/130690
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