llvm-6502/test/Transforms/GVNPRE/basic.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

39 lines
1.1 KiB
LLVM

; RUN: opt < %s -gvnpre -S | not grep {%z3 =}
; RUN: opt < %s -gvnpre -S | not grep {%z9 =}
define i32 @main() {
block1:
%z1 = bitcast i32 0 to i32 ; <i32> [#uses=5]
br label %block2
block2: ; preds = %block6, %block1
%z2 = phi i32 [ %z1, %block1 ], [ %z3, %block6 ] ; <i32> [#uses=3]
%z3 = add i32 %z2, 1 ; <i32> [#uses=5]
br i1 false, label %block3, label %block7
block3: ; preds = %block2
br i1 true, label %block4, label %block5
block4: ; preds = %block3
%z4 = add i32 %z2, %z3 ; <i32> [#uses=1]
%z5 = bitcast i32 %z4 to i32 ; <i32> [#uses=1]
%z6 = add i32 %z1, %z5 ; <i32> [#uses=0]
br label %block6
block5: ; preds = %block3
%z7 = add i32 %z3, 1 ; <i32> [#uses=1]
br label %block6
block6: ; preds = %block5, %block4
%z8 = phi i32 [ %z1, %block4 ], [ %z7, %block5 ] ; <i32> [#uses=1]
%z9 = add i32 %z2, %z3 ; <i32> [#uses=2]
%z10 = add i32 %z9, %z8 ; <i32> [#uses=0]
%z11 = bitcast i32 12 to i32 ; <i32> [#uses=1]
%z12 = add i32 %z9, %z11 ; <i32> [#uses=1]
%z13 = add i32 %z12, %z3 ; <i32> [#uses=0]
br label %block2
block7: ; preds = %block2
ret i32 %z1
}