1 files changed, 51 insertions, 0 deletions
diff --git a/clang/test/CodeGen/x86_32-arguments-linux.c b/clang/test/CodeGen/x86_32-arguments-linux.c
new file mode 100644
index 0000000..81dcaf6
--- /dev/null
+++ b/clang/test/CodeGen/x86_32-arguments-linux.c
@@ -0,0 +1,51 @@
+// RUN: %clang_cc1 -w -fblocks -triple i386-pc-linux-gnu -target-cpu pentium4 -emit-llvm -o %t %s
+// RUN: FileCheck < %t %s
+
+// CHECK: define void @f56(
+// CHECK: i8 signext %a0, %struct.s56_0* byval align 4 %a1,
+// CHECK: x86_mmx %a2.coerce, %struct.s56_1* byval align 4,
+// CHECK: <1 x double> %a4, %struct.s56_2* byval align 4,
+// CHECK: <4 x i32> %a6, %struct.s56_3* byval align 4,
+// CHECK: <2 x double> %a8, %struct.s56_4* byval align 4,
+// CHECK: <8 x i32> %a10, %struct.s56_5* byval align 4,
+// CHECK: <4 x double> %a12, %struct.s56_6* byval align 4)
+
+// CHECK: call void (i32, ...)* @f56_0(i32 1,
+// CHECK: i32 %{{.*}}, %struct.s56_0* byval align 4 %{{[^ ]*}},
+// CHECK: x86_mmx %{{[^ ]*}}, %struct.s56_1* byval align 4 %{{[^ ]*}},
+// CHECK: <1 x double> %{{[^ ]*}}, %struct.s56_2* byval align 4 %{{[^ ]*}},
+// CHECK: <4 x i32> %{{[^ ]*}}, %struct.s56_3* byval align 4 %{{[^ ]*}},
+// CHECK: <2 x double> %{{[^ ]*}}, %struct.s56_4* byval align 4 %{{[^ ]*}},
+// CHECK: <8 x i32> %{{[^ ]*}}, %struct.s56_5* byval align 4 %{{[^ ]*}},
+// CHECK: <4 x double> %{{[^ ]*}}, %struct.s56_6* byval align 4 %{{[^ ]*}})
+// CHECK: }
+//
+// <rdar://problem/7964854> [i386] clang misaligns long double in structures
+// when passed byval
+// <rdar://problem/8431367> clang misaligns parameters on stack
+typedef int __attribute__((vector_size (8))) t56_v2i;
+typedef double __attribute__((vector_size (8))) t56_v1d;
+typedef int __attribute__((vector_size (16))) t56_v4i;
+typedef double __attribute__((vector_size (16))) t56_v2d;
+typedef int __attribute__((vector_size (32))) t56_v8i;
+typedef double __attribute__((vector_size (32))) t56_v4d;
+
+struct s56_0 { char a; };
+struct s56_1 { t56_v2i a; };
+struct s56_2 { t56_v1d a; };
+struct s56_3 { t56_v4i a; };
+struct s56_4 { t56_v2d a; };
+struct s56_5 { t56_v8i a; };
+struct s56_6 { t56_v4d a; };
+
+void f56(char a0, struct s56_0 a1, 
+         t56_v2i a2, struct s56_1 a3, 
+         t56_v1d a4, struct s56_2 a5, 
+         t56_v4i a6, struct s56_3 a7, 
+         t56_v2d a8, struct s56_4 a9, 
+         t56_v8i a10, struct s56_5 a11, 
+         t56_v4d a12, struct s56_6 a13) {
+  extern void f56_0(int x, ...);
+  f56_0(1, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9,
+        a10, a11, a12, a13);
+}