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-rw-r--r--test/Transforms/DeadArgElim/2007-12-20-ParamAttrs.ll16
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Transforms/DeadArgElim/2007-12-20-ParamAttrs.ll b/test/Transforms/DeadArgElim/2007-12-20-ParamAttrs.ll
new file mode 100644
index 0000000000..94181f3dbf
--- /dev/null
+++ b/test/Transforms/DeadArgElim/2007-12-20-ParamAttrs.ll
@@ -0,0 +1,16 @@
+; RUN: llvm-as < %s | opt -deadargelim | llvm-dis | grep nounwind | count 2
+; RUN: llvm-as < %s | opt -deadargelim | llvm-dis | grep signext | count 2
+; RUN: llvm-as < %s | opt -deadargelim | llvm-dis | not grep inreg
+; RUN: llvm-as < %s | opt -deadargelim | llvm-dis | not grep zeroext
+
+@g = global i8 0
+
+define internal i8 @foo(i8* inreg %p, i8 signext %y, ... ) zeroext nounwind {
+ store i8 %y, i8* @g
+ ret i8 0
+}
+
+define i32 @bar() {
+ %A = call i8(i8*, i8, ...)* @foo(i8* inreg null, i8 signext 1, i8 2) zeroext nounwind
+ ret i32 0
+}