[llvm-commits] [llvm] r53611 - /llvm/trunk/test/Transforms/DeadArgElim/canon.ll

[Matthijs Kooijman]

Author: matthijs
Date: Tue Jul 15 09:42:58 2008
New Revision: 53611

URL: http://llvm.org/viewvc/llvm-project?rev=53611&view=rev
Log:
Add a testcase for the canonicalizations now performed by deadargelim.

Added:
    llvm/trunk/test/Transforms/DeadArgElim/canon.ll

Added: llvm/trunk/test/Transforms/DeadArgElim/canon.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/DeadArgElim/canon.ll?rev=53611&view=auto

==============================================================================
--- llvm/trunk/test/Transforms/DeadArgElim/canon.ll (added)
+++ llvm/trunk/test/Transforms/DeadArgElim/canon.ll Tue Jul 15 09:42:58 2008
@@ -0,0 +1,24 @@
+; This test shows a few canonicalizations made by deadargelim
+; RUN: llvm-as < %s | opt -deadargelim | llvm-dis > %t
+; This test should remove {} and replace it with void
+; RUN: cat %t | grep {define internal void @test}
+; This test shouls replace the {i32} return value with just i32
+; RUN: cat %t | grep {define internal i32 @test2}
+
+define internal {} @test() {
+  ret {} undef
+}
+
+define internal {i32} @test2() {
+  ret {i32} undef;
+}
+
+define void @caller() {
+  call {} @test()
+  %X = call {i32} @test2();
+  %Y = extractvalue {i32} %X, 0
+  call void @user(i32 %Y, {i32} %X)
+  ret void
+}
+
+declare void @user(i32, {i32})