[WebAssembly] Use the new offset syntax for memory operands in inline asm.

[oota-llvm.git] / test / Feature / varargs.ll

diff --git a/test/Feature/varargs.ll b/test/Feature/varargs.ll
index 13f3581fe3e1766809b45394944b739943a4f3c5..b9317df491afb04afde8443098f01c879226e1ae 100644 (file)
--- a/test/Feature/varargs.ll
+++ b/test/Feature/varargs.ll
@@ -1,9 +1,29 @@
+; RUN: llvm-as < %s | llvm-dis > %t1.ll
+; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
+; RUN: diff %t1.ll %t2.ll
 
+; Demonstrate all of the variable argument handling intrinsic functions plus 
+; the va_arg instruction.
 
+declare void @llvm.va_start(i8*)
 
-int %test(int %X, ...) {
-       %ap = alloca sbyte*
-       ; This is not a legal testcase, it just shows the syntax for va_arg
-       %tmp = va_arg sbyte** %ap, int 
-       ret int %tmp
+declare void @llvm.va_copy(i8*, i8*)
+
+declare void @llvm.va_end(i8*)
+
+define i32 @test(i32 %X, ...) {
+        %ap = alloca i8*                ; <i8**> [#uses=4]
+        %va.upgrd.1 = bitcast i8** %ap to i8*           ; <i8*> [#uses=1]
+        call void @llvm.va_start( i8* %va.upgrd.1 )
+        %tmp = va_arg i8** %ap, i32             ; <i32> [#uses=1]
+        %aq = alloca i8*                ; <i8**> [#uses=2]
+        %va0.upgrd.2 = bitcast i8** %aq to i8*          ; <i8*> [#uses=1]
+        %va1.upgrd.3 = bitcast i8** %ap to i8*          ; <i8*> [#uses=1]
+        call void @llvm.va_copy( i8* %va0.upgrd.2, i8* %va1.upgrd.3 )
+        %va.upgrd.4 = bitcast i8** %aq to i8*           ; <i8*> [#uses=1]
+        call void @llvm.va_end( i8* %va.upgrd.4 )
+        %va.upgrd.5 = bitcast i8** %ap to i8*           ; <i8*> [#uses=1]
+        call void @llvm.va_end( i8* %va.upgrd.5 )
+        ret i32 %tmp
 }
+