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Diffstat (limited to 'clang/test/CodeGen/regparm-flag.c')
-rw-r--r--clang/test/CodeGen/regparm-flag.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/clang/test/CodeGen/regparm-flag.c b/clang/test/CodeGen/regparm-flag.c
new file mode 100644
index 0000000..8ecf539
--- /dev/null
+++ b/clang/test/CodeGen/regparm-flag.c
@@ -0,0 +1,20 @@
+// RUN: %clang_cc1 -triple i386-unknown-unknown -mregparm 4 %s -emit-llvm -o %t
+// RUN: FileCheck < %t %s
+
+void f1(int a, int b, int c, int d,
+ int e, int f, int g, int h);
+
+void f2(int a, int b) __attribute((regparm(0)));
+
+void f0() {
+// CHECK: call void @f1(i32 inreg 1, i32 inreg 2, i32 inreg 3, i32 inreg 4,
+// CHECK: i32 5, i32 6, i32 7, i32 8)
+ f1(1, 2, 3, 4, 5, 6, 7, 8);
+// CHECK: call void @f2(i32 1, i32 2)
+ f2(1, 2);
+}
+
+// CHECK: declare void @f1(i32 inreg, i32 inreg, i32 inreg, i32 inreg,
+// CHECK: i32, i32, i32, i32)
+// CHECK: declare void @f2(i32, i32)
+