[llvm-commits] [llvm] r46025 - /llvm/trunk/test/Transforms/ArgumentPromotion/byval-2.ll

[Chris Lattner]

Author: lattner
Date: Tue Jan 15 16:38:12 2008
New Revision: 46025

URL: http://llvm.org/viewvc/llvm-project?rev=46025&view=rev
Log:
add a test to ensure that argpromote of one argument doesn't 
break the byval attr on some other argument.

Added:
    llvm/trunk/test/Transforms/ArgumentPromotion/byval-2.ll

Added: llvm/trunk/test/Transforms/ArgumentPromotion/byval-2.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/ArgumentPromotion/byval-2.ll?rev=46025&view=auto

==============================================================================
--- llvm/trunk/test/Transforms/ArgumentPromotion/byval-2.ll (added)
+++ llvm/trunk/test/Transforms/ArgumentPromotion/byval-2.ll Tue Jan 15 16:38:12 2008
@@ -0,0 +1,26 @@
+; RUN: llvm-as < %s | opt -argpromotion | llvm-dis | grep -F {i32* byval} | count 2
+; Argpromote + scalarrepl should change this to passing the two integers by value.
+
+	%struct.ss = type { i32, i64 }
+
+define internal void @f(%struct.ss* byval  %b, i32* byval %X) nounwind  {
+entry:
+	%tmp = getelementptr %struct.ss* %b, i32 0, i32 0
+	%tmp1 = load i32* %tmp, align 4
+	%tmp2 = add i32 %tmp1, 1	
+	store i32 %tmp2, i32* %tmp, align 4
+
+	store i32 0, i32* %X
+	ret void
+}
+
+define i32 @test(i32* %X) {
+entry:
+	%S = alloca %struct.ss		; <%struct.ss*> [#uses=4]
+	%tmp1 = getelementptr %struct.ss* %S, i32 0, i32 0		; <i32*> [#uses=1]
+	store i32 1, i32* %tmp1, align 8
+	%tmp4 = getelementptr %struct.ss* %S, i32 0, i32 1		; <i64*> [#uses=1]
+	store i64 2, i64* %tmp4, align 4
+	call void @f( %struct.ss* byval %S, i32* byval %X) 
+	ret i32 0
+}