1 files changed, 48 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/2013-05-02-AAPCS-ByVal-Structs-C4-C5-VFP.ll b/test/CodeGen/ARM/2013-05-02-AAPCS-ByVal-Structs-C4-C5-VFP.ll
new file mode 100644
index 0000000..6db71fe
--- /dev/null
+++ b/test/CodeGen/ARM/2013-05-02-AAPCS-ByVal-Structs-C4-C5-VFP.ll
@@ -0,0 +1,48 @@
+;Check AAPCS, 5.5 Parameters Passing, C4 and C5 rules.
+;Check case when NSAA != 0, and NCRN < R4, NCRN+ParamSize < R4
+;RUN: llc -mtriple=thumbv7-linux-gnueabihf -float-abi=hard < %s | FileCheck %s
+
+%st_t = type { i32, i32 }
+@static_val = constant %st_t { i32 777, i32 888}
+
+declare void @fooUseStruct(%st_t*)
+
+define void @foo(double %vfp0,     ; --> D0,     NSAA=SP
+                 double %vfp1,     ; --> D1,     NSAA=SP
+		 double %vfp2,     ; --> D2,     NSAA=SP
+		 double %vfp3,     ; --> D3,     NSAA=SP
+		 double %vfp4,     ; --> D4,     NSAA=SP
+		 double %vfp5,     ; --> D5,     NSAA=SP
+		 double %vfp6,     ; --> D6,     NSAA=SP
+		 double %vfp7,     ; --> D7,     NSAA=SP
+		 double %vfp8,     ; --> SP,     NSAA=SP+8 (!)
+                 i32 %p0,          ; --> R0,     NSAA=SP+8 
+		 %st_t* byval %p1, ; --> R1, R2, NSAA=SP+8
+		 i32 %p2,          ; --> R3,     NSAA=SP+8 
+                 i32 %p3) #0 {     ; --> SP+4,   NSAA=SP+12
+entry:
+  ;CHECK: sub sp, #8
+  ;CHECK: push.w {r11, lr}
+  ;CHECK: add r0, sp, #16
+  ;CHECK: str r2, [sp, #20]
+  ;CHECK: str r1, [sp, #16]
+  ;CHECK: bl  fooUseStruct
+  call void @fooUseStruct(%st_t* %p1)
+  ret void
+}
+
+define void @doFoo() {
+entry:
+  call void @foo(double 23.0,
+                 double 23.1,
+                 double 23.2,
+                 double 23.3,
+                 double 23.4,
+                 double 23.5,
+                 double 23.6,
+                 double 23.7,
+                 double 23.8,
+                 i32 0, %st_t* byval @static_val, i32 1, i32 2)
+  ret void
+}
+