Convert InstCombine tests from notcast to FileCheck.

llvm-svn: 83825
diff --git a/llvm/test/Transforms/InstCombine/zext.ll b/llvm/test/Transforms/InstCombine/zext.ll
index 9aacd3a..420cb4a 100644
--- a/llvm/test/Transforms/InstCombine/zext.ll
+++ b/llvm/test/Transforms/InstCombine/zext.ll
@@ -1,11 +1,13 @@
 ; Tests to make sure elimination of casts is working correctly
-; RUN: opt < %s -instcombine -S | \
-; RUN:   notcast {} {%c1.*}
+; RUN: opt < %s -instcombine -S | FileCheck %s
 
 define i64 @test_sext_zext(i16 %A) {
         %c1 = zext i16 %A to i32                ; <i32> [#uses=1]
         %c2 = sext i32 %c1 to i64               ; <i64> [#uses=1]
         ret i64 %c2
+CHECK-NOT: %c1
+CHECK: %c2 = zext i16 %A to i64
+CHECK: ret i64 %c2
 }
 
 ; PR3599
@@ -29,5 +31,6 @@
 	%tmp16 = or i32 %tmp15, %tmp6		; <i32> [#uses=1]
 	%tmp17 = or i32 %tmp16, %tmp3		; <i32> [#uses=1]
 	ret i32 %tmp17
+CHECK: ret i1 true
 }