1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/2013-04-21-AAPCS-VA-C.1.cp.ll b/test/CodeGen/ARM/2013-04-21-AAPCS-VA-C.1.cp.ll
new file mode 100644
index 0000000..de5fd31
--- /dev/null
+++ b/test/CodeGen/ARM/2013-04-21-AAPCS-VA-C.1.cp.ll
@@ -0,0 +1,28 @@
+;Check 5.5 Parameter Passing --> Stage C --> C.1.cp statement for VA functions.
+;Note: There are no VFP CPRCs in a variadic procedure.
+;Check that after %C was sent to stack, we set Next Core Register Number to R4.
+
+;This test is simplified IR version of
+;test-suite/SingleSource/UnitTests/2002-05-02-ManyArguments.c
+
+;RUN: llc -mtriple=thumbv7-linux-gnueabihf -float-abi=hard < %s | FileCheck %s
+
+@.str = private unnamed_addr constant [13 x i8] c"%d %d %f %i\0A\00", align 1
+
+;CHECK: printfn:
+define void @printfn(i32 %a, i16 signext %b, double %C, i8 signext %E) {
+entry:
+  %conv = sext i16 %b to i32
+  %conv1 = sext i8 %E to i32
+  %call = tail call i32 (i8*, ...)* @printf(
+	i8* getelementptr inbounds ([13 x i8]* @.str, i32 0, i32 0), ; --> R0
+        i32 %a,                                          ; --> R1
+        i32 %conv,                                       ; --> R2
+        double %C,                                       ; --> SP, NCRN := R4
+;CHECK:    str r2, [sp, #8]                                                                     
+        i32 %conv1)                                      ; --> SP+8
+  ret void
+}
+
+declare i32 @printf(i8* nocapture, ...)
+