forked from OSchip/llvm-project
98 lines
3.0 KiB
LLVM
98 lines
3.0 KiB
LLVM
; RUN: opt -O2 -disable-output < %s
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; PR15714
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%struct.ham = type { i32 }
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@global5 = common global i32 0, align 4
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@global6 = common global i32 0, align 4
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@global7 = common global i32 0, align 4
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@global = common global i32 0, align 4
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@global8 = common global %struct.ham zeroinitializer, align 4
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@global9 = common global i32 0, align 4
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@global10 = common global i32 0, align 4
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@global11 = common global i32 0, align 4
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define void @zot12() {
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bb:
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store i32 0, i32* @global5, align 4
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store i32 0, i32* @global6, align 4
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br label %bb2
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bb1: ; preds = %bb11
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%tmp = load i32, i32* @global5, align 4
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br label %bb2
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bb2: ; preds = %bb1, %bb
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%tmp3 = phi i32 [ %tmp, %bb1 ], [ 0, %bb ]
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%tmp4 = xor i32 %tmp3, zext (i1 icmp ne (i64 ptrtoint (i32* @global5 to i64), i64 1) to i32)
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store i32 %tmp4, i32* @global5, align 4
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%tmp5 = icmp eq i32 %tmp3, zext (i1 icmp ne (i64 ptrtoint (i32* @global5 to i64), i64 1) to i32)
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br i1 %tmp5, label %bb8, label %bb6
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bb6: ; preds = %bb2
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%tmp7 = tail call i32 @quux13()
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br label %bb8
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bb8: ; preds = %bb6, %bb2
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%tmp9 = load i32, i32* @global7, align 4
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%tmp10 = icmp eq i32 %tmp9, 0
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br i1 %tmp10, label %bb11, label %bb15
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bb11: ; preds = %bb8
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%tmp12 = load i32, i32* @global6, align 4
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%tmp13 = add nsw i32 %tmp12, 1
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store i32 %tmp13, i32* @global6, align 4
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%tmp14 = icmp slt i32 %tmp13, 42
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br i1 %tmp14, label %bb1, label %bb15
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bb15: ; preds = %bb11, %bb8
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ret void
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}
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define i32 @quux13() {
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bb:
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store i32 1, i32* @global5, align 4
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ret i32 1
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}
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define void @wombat() {
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bb:
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tail call void @zot12()
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ret void
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}
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define void @wombat14() {
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bb:
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tail call void @blam()
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ret void
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}
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define void @blam() {
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bb:
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store i32 ptrtoint (i32* @global to i32), i32* getelementptr inbounds (%struct.ham, %struct.ham* @global8, i64 0, i32 0), align 4
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store i32 0, i32* @global9, align 4
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%tmp = load i32, i32* getelementptr inbounds (%struct.ham, %struct.ham* @global8, i64 0, i32 0), align 4
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br label %bb1
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bb1: ; preds = %bb1, %bb
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%tmp2 = phi i32 [ 0, %bb ], [ %tmp11, %bb1 ]
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%tmp3 = phi i32 [ %tmp, %bb ], [ %tmp10, %bb1 ]
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%tmp4 = icmp sgt i32 %tmp3, 0
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%tmp5 = zext i1 %tmp4 to i32
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%tmp6 = urem i32 %tmp5, 5
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%tmp7 = mul i32 %tmp3, -80
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%tmp8 = or i32 %tmp7, %tmp6
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%tmp9 = icmp eq i32 %tmp8, 0
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%tmp10 = zext i1 %tmp9 to i32
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%tmp11 = add nsw i32 %tmp2, 1
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%tmp12 = icmp eq i32 %tmp11, 20
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br i1 %tmp12, label %bb13, label %bb1
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bb13: ; preds = %bb1
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store i32 %tmp10, i32* getelementptr inbounds (%struct.ham, %struct.ham* @global8, i64 0, i32 0), align 4
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store i32 0, i32* @global10, align 4
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store i32 %tmp6, i32* @global11, align 4
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store i32 20, i32* @global9, align 4
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ret void
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}
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