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-rw-r--r--clang/test/CodeGen/riscv32-ilp32f-abi.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/clang/test/CodeGen/riscv32-ilp32f-abi.c b/clang/test/CodeGen/riscv32-ilp32f-abi.c
new file mode 100644
index 00000000000..76092958aed
--- /dev/null
+++ b/clang/test/CodeGen/riscv32-ilp32f-abi.c
@@ -0,0 +1,45 @@
+// RUN: %clang_cc1 -triple riscv32 -target-feature +f -target-abi ilp32f -emit-llvm %s -o - \
+// RUN: | FileCheck %s
+
+#include <stdint.h>
+
+// Doubles are still passed in GPRs, so the 'e' argument will be anyext as
+// GPRs are exhausted.
+
+// CHECK: define void @f_fpr_tracking(double %a, double %b, double %c, double %d, i8 %e)
+void f_fpr_tracking(double a, double b, double c, double d, int8_t e) {}
+
+// Lowering for doubles is unnmodified, as 64 > FLEN.
+
+struct double_s { double d; };
+
+// CHECK: define void @f_double_s_arg(i64 %a.coerce)
+void f_double_s_arg(struct double_s a) {}
+
+// CHECK: define i64 @f_ret_double_s()
+struct double_s f_ret_double_s() {
+ return (struct double_s){1.0};
+}
+
+struct double_double_s { double d; double e; };
+
+// CHECK: define void @f_double_double_s_arg(%struct.double_double_s* %a)
+void f_double_double_s_arg(struct double_double_s a) {}
+
+// CHECK: define void @f_ret_double_double_s(%struct.double_double_s* noalias sret %agg.result)
+struct double_double_s f_ret_double_double_s() {
+ return (struct double_double_s){1.0, 2.0};
+}
+
+struct double_int8_s { double d; int64_t i; };
+
+struct int_double_s { int a; double b; };
+
+// CHECK: define void @f_int_double_s_arg(%struct.int_double_s* %a)
+void f_int_double_s_arg(struct int_double_s a) {}
+
+// CHECK: define void @f_ret_int_double_s(%struct.int_double_s* noalias sret %agg.result)
+struct int_double_s f_ret_int_double_s() {
+ return (struct int_double_s){1, 2.0};
+}
+
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