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39 lines
1.1 KiB
LLVM
39 lines
1.1 KiB
LLVM
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; RUN: llvm-as | opt -gvnpre | llvm-dis | not grep {%t3 =}
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; RUN: llvm-as | opt -gvnpre | llvm-dis | not grep {%t9 =}
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define i32 @main() {
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block1:
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%t1 = bitcast i32 0 to i32 ; <i32> [#uses=5]
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br label %block2
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block2: ; preds = %block6, %block1
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%t2 = phi i32 [ %t1, %block1 ], [ %t3, %block6 ] ; <i32> [#uses=3]
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%t3 = add i32 %t2, 1 ; <i32> [#uses=5]
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br i1 false, label %block3, label %block7
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block3: ; preds = %block2
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br i1 true, label %block4, label %block5
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block4: ; preds = %block3
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%t4 = add i32 %t2, %t3 ; <i32> [#uses=1]
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%t5 = bitcast i32 %t4 to i32 ; <i32> [#uses=1]
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%t6 = add i32 %t1, %t5 ; <i32> [#uses=0]
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br label %block6
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block5: ; preds = %block3
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%t7 = add i32 %t3, 1 ; <i32> [#uses=1]
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br label %block6
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block6: ; preds = %block5, %block4
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%t8 = phi i32 [ %t1, %block4 ], [ %t7, %block5 ] ; <i32> [#uses=1]
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%t9 = add i32 %t2, %t3 ; <i32> [#uses=2]
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%t10 = add i32 %t9, %t8 ; <i32> [#uses=0]
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%t11 = bitcast i32 12 to i32 ; <i32> [#uses=1]
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%t12 = add i32 %t9, %t11 ; <i32> [#uses=1]
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%t13 = add i32 %t12, %t3 ; <i32> [#uses=0]
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br label %block2
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block7: ; preds = %block2
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ret i32 %t1
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}
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