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32 lines
972 B
LLVM
32 lines
972 B
LLVM
; RUN: opt < %s -loop-reduce -S | grep add | count 2
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; PR 2662
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@g_3 = common global i16 0 ; <i16*> [#uses=2]
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@"\01LC" = internal constant [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1]
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define void @func_1() nounwind {
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entry:
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br label %bb
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bb: ; preds = %bb, %entry
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%l_2.0.reg2mem.0 = phi i16 [ 0, %entry ], [ %t1, %bb ] ; <i16> [#uses=2]
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%t0 = shl i16 %l_2.0.reg2mem.0, 1 ; <i16>:0 [#uses=1]
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store volatile i16 %t0, i16* @g_3, align 2
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%t1 = add i16 %l_2.0.reg2mem.0, -3 ; <i16>:1 [#uses=2]
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%t2 = icmp slt i16 %t1, 1 ; <i1>:2 [#uses=1]
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br i1 %t2, label %bb, label %return
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return: ; preds = %bb
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ret void
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}
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define i32 @main() nounwind {
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entry:
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tail call void @func_1( ) nounwind
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load volatile i16* @g_3, align 2 ; <i16>:0 [#uses=1]
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zext i16 %0 to i32 ; <i32>:1 [#uses=1]
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tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @"\01LC", i32 0, i32 0), i32 %1 ) nounwind ; <i32>:2 [#uses=0]
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ret i32 0
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}
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declare i32 @printf(i8*, ...) nounwind
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