1 files changed, 115 insertions, 0 deletions
diff --git a/clang/test/CodeGen/renderscript.c b/clang/test/CodeGen/renderscript.c
index d47750a7736..5482d36f583 100644
--- a/clang/test/CodeGen/renderscript.c
+++ b/clang/test/CodeGen/renderscript.c
@@ -23,3 +23,118 @@ _Static_assert(_Alignof(long) == LONG_WIDTH_AND_ALIGN, "sizeof long is wrong");
 long test_long(long v) {
   return v + 1;
 }
+
+// =============================================================================
+// Test coercion of aggregate argument or return value into integer arrays
+// =============================================================================
+
+// =============================================================================
+// aggregate parameter <= 4 bytes: coerced to [a x iNN] for both 32-bit and
+// 64-bit RenderScript
+// ==============================================================================
+
+typedef struct {char c1, c2, c3; } sChar3;
+typedef struct {short s; char c;} sShortChar;
+
+// CHECK-RS32: void @argChar3([3 x i8] %s.coerce)
+// CHECK-RS64: void @argChar3([3 x i8] %s.coerce)
+void argChar3(sChar3 s) {}
+
+// CHECK-RS32: void @argShortChar([2 x i16] %s.coerce)
+// CHECK-RS64: void @argShortChar([2 x i16] %s.coerce)
+void argShortChar(sShortChar s) {}
+
+// =============================================================================
+// aggregate return value <= 4 bytes: coerced to [a x iNN] for both 32-bit and
+// 64-bit RenderScript
+// =============================================================================
+
+// CHECK-RS32: [3 x i8] @retChar3()
+// CHECK-RS64: [3 x i8] @retChar3()
+sChar3 retChar3() { sChar3 r; return r; }
+
+// CHECK-RS32: [2 x i16] @retShortChar()
+// CHECK-RS64: [2 x i16] @retShortChar()
+sShortChar retShortChar() { sShortChar r; return r; }
+
+// =============================================================================
+// aggregate parameter <= 16 bytes: coerced to [a x iNN] for both 32-bit and
+// 64-bit RenderScript
+// =============================================================================
+
+typedef struct {short s1; char c; short s2; } sShortCharShort;
+typedef struct {int i; short s; char c; } sIntShortChar;
+typedef struct {long l; int i; } sLongInt;
+
+// CHECK-RS32: void @argShortCharShort([3 x i16] %s.coerce)
+// CHECK-RS64: void @argShortCharShort([3 x i16] %s.coerce)
+void argShortCharShort(sShortCharShort s) {}
+
+// CHECK-RS32: void @argIntShortChar([2 x i32] %s.coerce)
+// CHECK-RS64: void @argIntShortChar([2 x i32] %s.coerce)
+void argIntShortChar(sIntShortChar s) {}
+
+// CHECK-RS32: void @argLongInt([2 x i64] %s.coerce)
+// CHECK-RS64: void @argLongInt([2 x i64] %s.coerce)
+void argLongInt(sLongInt s) {}
+
+// =============================================================================
+// aggregate return value <= 16 bytes: returned on stack for 32-bit RenderScript
+// and coerced to [a x iNN] for 64-bit RenderScript
+// =============================================================================
+
+// CHECK-RS32: void @retShortCharShort(%struct.sShortCharShort* noalias sret %agg.result)
+// CHECK-RS64: [3 x i16] @retShortCharShort()
+sShortCharShort retShortCharShort() { sShortCharShort r; return r; }
+
+// CHECK-RS32: void @retIntShortChar(%struct.sIntShortChar* noalias sret %agg.result)
+// CHECK-RS64: [2 x i32] @retIntShortChar()
+sIntShortChar retIntShortChar() { sIntShortChar r; return r; }
+
+// CHECK-RS32: void @retLongInt(%struct.sLongInt* noalias sret %agg.result)
+// CHECK-RS64: [2 x i64] @retLongInt()
+sLongInt retLongInt() { sLongInt r; return r; }
+
+// =============================================================================
+// aggregate parameter <= 64 bytes: coerced to [a x iNN] for 32-bit RenderScript
+// and passed on the stack for 64-bit RenderScript
+// =============================================================================
+
+typedef struct {int i1, i2, i3, i4, i5; } sInt5;
+typedef struct {long l1, l2; char c; } sLong2Char;
+
+// CHECK-RS32: void @argInt5([5 x i32] %s.coerce)
+// CHECK-RS64: void @argInt5(%struct.sInt5* %s)
+void argInt5(sInt5 s) {}
+
+// CHECK-RS32: void @argLong2Char([3 x i64] %s.coerce)
+// CHECK-RS64: void @argLong2Char(%struct.sLong2Char* %s)
+void argLong2Char(sLong2Char s) {}
+
+// =============================================================================
+// aggregate return value <= 64 bytes: returned on stack for both 32-bit and
+// 64-bit RenderScript
+// =============================================================================
+
+// CHECK-RS32: void @retInt5(%struct.sInt5* noalias sret %agg.result)
+// CHECK-RS64: void @retInt5(%struct.sInt5* noalias sret %agg.result)
+sInt5 retInt5() { sInt5 r; return r;}
+
+// CHECK-RS32: void @retLong2Char(%struct.sLong2Char* noalias sret %agg.result)
+// CHECK-RS64: void @retLong2Char(%struct.sLong2Char* noalias sret %agg.result)
+sLong2Char retLong2Char() { sLong2Char r; return r;}
+
+// =============================================================================
+// aggregate parameters and return values > 64 bytes: passed and returned on the
+// stack for both 32-bit and 64-bit RenderScript
+// =============================================================================
+
+typedef struct {long l1, l2, l3, l4, l5, l6, l7, l8, l9; } sLong9;
+
+// CHECK-RS32: void @argLong9(%struct.sLong9* byval align 8 %s)
+// CHECK-RS64: void @argLong9(%struct.sLong9* %s)
+void argLong9(sLong9 s) {}
+
+// CHECK-RS32: void @retLong9(%struct.sLong9* noalias sret %agg.result)
+// CHECK-RS64: void @retLong9(%struct.sLong9* noalias sret %agg.result)
+sLong9 retLong9() { sLong9 r; return r; }