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38 lines
1.8 KiB
LLVM
38 lines
1.8 KiB
LLVM
; RUN: llc < %s -march=x86 | grep cmp | grep 240
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; RUN: llc < %s -march=x86 | grep inc | count 1
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define i32 @foo(i32 %A, i32 %B, i32 %C, i32 %D) nounwind {
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entry:
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%tmp2955 = icmp sgt i32 %C, 0 ; <i1> [#uses=1]
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br i1 %tmp2955, label %bb26.outer.us, label %bb40.split
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bb26.outer.us: ; preds = %bb26.bb32_crit_edge.us, %entry
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%i.044.0.ph.us = phi i32 [ 0, %entry ], [ %indvar.next57, %bb26.bb32_crit_edge.us ] ; <i32> [#uses=2]
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%k.1.ph.us = phi i32 [ 0, %entry ], [ %k.0.us, %bb26.bb32_crit_edge.us ] ; <i32> [#uses=1]
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%tmp3.us = mul i32 %i.044.0.ph.us, 6 ; <i32> [#uses=1]
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br label %bb1.us
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bb1.us: ; preds = %bb1.us, %bb26.outer.us
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%j.053.us = phi i32 [ 0, %bb26.outer.us ], [ %tmp25.us, %bb1.us ] ; <i32> [#uses=2]
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%k.154.us = phi i32 [ %k.1.ph.us, %bb26.outer.us ], [ %k.0.us, %bb1.us ] ; <i32> [#uses=1]
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%tmp5.us = add i32 %tmp3.us, %j.053.us ; <i32> [#uses=1]
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%tmp7.us = shl i32 %D, %tmp5.us ; <i32> [#uses=2]
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%tmp9.us = icmp eq i32 %tmp7.us, %B ; <i1> [#uses=1]
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%tmp910.us = zext i1 %tmp9.us to i32 ; <i32> [#uses=1]
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%tmp12.us = and i32 %tmp7.us, %A ; <i32> [#uses=1]
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%tmp19.us = and i32 %tmp12.us, %tmp910.us ; <i32> [#uses=1]
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%k.0.us = add i32 %tmp19.us, %k.154.us ; <i32> [#uses=3]
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%tmp25.us = add i32 %j.053.us, 1 ; <i32> [#uses=2]
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%tmp29.us = icmp slt i32 %tmp25.us, %C ; <i1> [#uses=1]
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br i1 %tmp29.us, label %bb1.us, label %bb26.bb32_crit_edge.us
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bb26.bb32_crit_edge.us: ; preds = %bb1.us
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%indvar.next57 = add i32 %i.044.0.ph.us, 1 ; <i32> [#uses=2]
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%exitcond = icmp eq i32 %indvar.next57, 40 ; <i1> [#uses=1]
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br i1 %exitcond, label %bb40.split, label %bb26.outer.us
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bb40.split: ; preds = %bb26.bb32_crit_edge.us, %entry
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%k.1.lcssa.lcssa.us-lcssa = phi i32 [ %k.0.us, %bb26.bb32_crit_edge.us ], [ 0, %entry ] ; <i32> [#uses=1]
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ret i32 %k.1.lcssa.lcssa.us-lcssa
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}
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