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50 lines
2.2 KiB
LLVM
50 lines
2.2 KiB
LLVM
; RUN: opt -tbaa -basic-aa -licm -enable-mssa-loop-dependency=false -enable-new-pm=0 -S < %s | FileCheck %s --check-prefixes=CHECK,AST
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; RUN: opt -tbaa -basic-aa -licm -enable-mssa-loop-dependency=true -enable-new-pm=0 -S < %s | FileCheck %s --check-prefixes=CHECK,MSSA
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; RUN: opt -aa-pipeline=tbaa,basic-aa -passes='require<aa>,require<targetir>,require<scalar-evolution>,require<opt-remark-emit>,loop(licm)' -S %s | FileCheck %s --check-prefixes=CHECK,AST
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; RUN: opt -aa-pipeline=tbaa,basic-aa -passes='require<aa>,require<targetir>,require<scalar-evolution>,require<opt-remark-emit>,loop-mssa(licm)' -S %s | FileCheck %s --check-prefixes=CHECK,MSSA
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; LICM should keep the stores in their original order when it sinks/promotes them.
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; rdar://12045203
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.8.0"
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@p = external global i8*
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define i32* @_Z4doiti(i32 %n, float* %tmp1, i32* %tmp3) nounwind {
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; CHECK-LABEL: for.body.lr.ph:
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; CHECK: store float 1.000000e+00, float* %tmp1
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; AST-LABEL: for.cond.for.end_crit_edge:
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; CHECK: store i32 1, i32* %tmp3
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; MSSA-LABEL: for.cond.for.end_crit_edge:
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entry:
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%cmp1 = icmp slt i32 0, %n
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br i1 %cmp1, label %for.body.lr.ph, label %for.end
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for.body.lr.ph: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body, %for.body.lr.ph
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%i.02 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
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store float 1.000000e+00, float* %tmp1, align 4, !tbaa !1
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store i32 1, i32* %tmp3, align 4, !tbaa !2
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%inc = add nsw i32 %i.02, 1
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%cmp = icmp slt i32 %inc, %n
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br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge
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for.cond.for.end_crit_edge: ; preds = %for.body
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%split = phi i32* [ %tmp3, %for.body ]
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br label %for.end
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for.end: ; preds = %for.cond.for.end_crit_edge, %entry
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%r.0.lcssa = phi i32* [ %split, %for.cond.for.end_crit_edge ], [ undef, %entry ]
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ret i32* %r.0.lcssa
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}
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!0 = !{!"minimal TBAA"}
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!1 = !{!3, !3, i64 0}
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!2 = !{!4, !4, i64 0}
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!3 = !{!"float", !0}
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!4 = !{!"int", !0}
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