llvm-6502/test/Transforms/GVNPRE/basic.ll
Dan Gohman b1e1e82c54 Change these tests to feed the assembly files to opt directly, instead
of using llvm-as, now that opt supports this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81226 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-08 16:50:01 +00:00

39 lines
1.1 KiB
LLVM

; RUN: opt %s -gvnpre | llvm-dis | not grep {%z3 =}
; RUN: opt %s -gvnpre | llvm-dis | 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
}