derek.holloway
7502bf64a4
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55 lines
1.7 KiB
LLVM
55 lines
1.7 KiB
LLVM
; RUN: opt %loadNPMPolly '-passes=polly<no-default-opts>' -S < %s 2>&1 | FileCheck %s
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;
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; Check whether %newval is identified as escaping value, even though it is used
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; in a phi that is in the region. Non-affine subregion case.
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;
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; CHECK-LABEL: subregion_entry.region_entering:
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; CHECK: %loop_carried.ph = phi float [ %newval.merge, %backedge ], [ undef, %entry ]
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;
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; CHECK-LABEL: polly.merge_new_and_old:
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; CHECK: %newval.merge = phi float [ %newval.final_reload, %polly.exiting ], [ %newval, %subregion_exit.region_exiting ]
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;
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; CHECK-LABEL: polly.start:
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; CHECK: store float %loop_carried.ph, ptr %loop_carried.phiops
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;
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; CHECK-LABEL: polly.stmt.subregion_entry.entry:
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; CHECK: %loop_carried.phiops.reload = load float, ptr %loop_carried.phiops
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;
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; CHECK-LABEL: polly.stmt.subregion_entry:
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; CHECK: %polly.loop_carried = phi float [ %loop_carried.phiops.reload, %polly.stmt.subregion_entry.entry ]
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; CHECK: %p_newval = fadd float %polly.loop_carried, 1.000000e+00
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;
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; CHECK-LABEL: polly.stmt.polly.merge_new_and_old.exit:
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; CHECK: %newval.final_reload = load float, ptr %newval.s2a
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define void @func() {
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entry:
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br label %subregion_entry
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subregion_entry:
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%loop_carried = phi float [ undef, %entry ], [ %newval, %backedge ]
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%indvar = phi i32 [ 1, %entry ], [ %indvar_next, %backedge ]
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%newval = fadd float %loop_carried, 1.0
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%cmp = fcmp ogt float undef, undef
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br i1 %cmp, label %subregion_if, label %subregion_exit
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subregion_if:
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br label %subregion_exit
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subregion_exit:
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br i1 undef, label %if_then, label %if_else
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if_then:
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br label %backedge
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if_else:
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br label %backedge
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backedge:
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%indvar_next = add nuw nsw i32 %indvar, 1
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br i1 false, label %subregion_entry, label %exit
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exit:
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ret void
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}
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