[llvm] r223378 - Add a test case for argument type coercion in an invoke of a vararg function

Philip Reames listmail at philipreames.com
Thu Dec 4 11:13:45 PST 2014


Author: reames
Date: Thu Dec  4 13:13:45 2014
New Revision: 223378

URL: http://llvm.org/viewvc/llvm-project?rev=223378&view=rev
Log:
Add a test case for argument type coercion in an invoke of a vararg function

This would have caught the bug I fixed in 223370.  


Modified:
    llvm/trunk/test/Transforms/InstCombine/cast.ll

Modified: llvm/trunk/test/Transforms/InstCombine/cast.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/cast.ll?rev=223378&r1=223377&r2=223378&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/cast.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/cast.ll Thu Dec  4 13:13:45 2014
@@ -99,6 +99,26 @@ define void @test11(i32* %P) {
 ; CHECK: ret void
 }
 
+declare i32 @__gxx_personality_v0(...)
+define void @test_invoke_vararg_cast(i32* %a, i32* %b) {
+entry:
+  %0 = bitcast i32* %b to i8*
+  %1 = bitcast i32* %a to i64*
+  invoke void (i32, ...)* @varargs(i32 1, i8* %0, i64* %1)
+          to label %invoke.cont unwind label %lpad
+
+invoke.cont:                                      ; preds = %entry
+  ret void
+
+lpad:                                             ; preds = %entry
+  %2 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
+          cleanup
+  ret void
+; CHECK-LABEL: test_invoke_vararg_cast
+; CHECK-LABEL: entry:
+; CHECK: invoke void (i32, ...)* @varargs(i32 1, i32* %b, i32* %a)
+}
+
 define i8* @test13(i64 %A) {
         %c = getelementptr [0 x i8]* bitcast ([32832 x i8]* @inbuf to [0 x i8]*), i64 0, i64 %A             ; <i8*> [#uses=1]
         ret i8* %c





More information about the llvm-commits mailing list