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 }
[EMAIL PROTECTED] = 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
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