[llvm-commits] [llvm] r46127 - /llvm/trunk/test/Transforms/DeadArgElim/2008-01-16-VarargsParamAttrs.ll

[Evan Cheng]

Author: evancheng
Date: Thu Jan 17 01:26:31 2008
New Revision: 46127

URL: http://llvm.org/viewvc/llvm-project?rev=46127&view=rev
Log:
Test case for varargs parameter attribute issue I just fixed.

Added:
    llvm/trunk/test/Transforms/DeadArgElim/2008-01-16-VarargsParamAttrs.ll

Added: llvm/trunk/test/Transforms/DeadArgElim/2008-01-16-VarargsParamAttrs.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/DeadArgElim/2008-01-16-VarargsParamAttrs.ll?rev=46127&view=auto

==============================================================================
--- llvm/trunk/test/Transforms/DeadArgElim/2008-01-16-VarargsParamAttrs.ll (added)
+++ llvm/trunk/test/Transforms/DeadArgElim/2008-01-16-VarargsParamAttrs.ll Thu Jan 17 01:26:31 2008
@@ -0,0 +1,31 @@
+; RUN: llvm-as < %s | opt -deadargelim | llvm-dis | grep byval
+
+	%struct.point = type { double, double }
+ at pts = global [4 x %struct.point] [ %struct.point { double 1.000000e+00, double 2.000000e+00 }, %struct.point { double 3.000000e+00, double 4.000000e+00 }, %struct.point { double 5.000000e+00, double 6.000000e+00 }, %struct.point { double 7.000000e+00, double 8.000000e+00 } ], align 32		; <[4 x %struct.point]*> [#uses=1]
+
+define internal i32 @va1(i32 %nargs, ...) {
+entry:
+	%pi = alloca %struct.point		; <%struct.point*> [#uses=0]
+	%args = alloca i8*		; <i8**> [#uses=2]
+	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
+	%args1 = bitcast i8** %args to i8*		; <i8*> [#uses=1]
+	call void @llvm.va_start( i8* %args1 )
+	%args41 = bitcast i8** %args to i8*		; <i8*> [#uses=1]
+	call void @llvm.va_end( i8* %args41 )
+	ret i32 undef
+}
+
+declare void @llvm.va_start(i8*) nounwind 
+
+declare void @llvm.va_end(i8*) nounwind 
+
+define i32 @main() {
+entry:
+	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
+	%tmp = getelementptr [4 x %struct.point]* @pts, i32 0, i32 0		; <%struct.point*> [#uses=1]
+	%tmp1 = call i32 (i32, ...)* @va1( i32 1, %struct.point* byval  %tmp ) nounwind 		; <i32> [#uses=0]
+	call void @exit( i32 0 ) noreturn nounwind 
+	unreachable
+}
+
+declare void @exit(i32) noreturn nounwind