derek.holloway
7502bf64a4
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85 lines
4.3 KiB
LLVM
85 lines
4.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -loop-reduce %s -o - -S | FileCheck %s --check-prefix=LEGACYPM
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; RUN: opt -passes='loop(loop-reduce)' %s -o - -S | FileCheck %s --check-prefix=NEWPM
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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define dso_local i32 @test1() local_unnamed_addr {
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; LEGACYPM-LABEL: @test1(
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; LEGACYPM-NEXT: entry:
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; LEGACYPM-NEXT: br label [[FOR_COND:%.*]]
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; LEGACYPM: for.cond:
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; LEGACYPM-NEXT: callbr void asm sideeffect "", "!i,!i,~{dirflag},~{fpsr},~{flags}"()
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; LEGACYPM-NEXT: to label [[ASM_FALLTHROUGH_I_I:%.*]] [label [[COND_TRUE_I:%.*]], label %for.endsplit]
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; LEGACYPM: asm.fallthrough.i.i:
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; LEGACYPM-NEXT: unreachable
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; LEGACYPM: cond.true.i:
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; LEGACYPM-NEXT: br label [[DO_BODY_I_I_DO_BODY_I_I_CRIT_EDGE:%.*]]
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; LEGACYPM: do.body.i.i.do.body.i.i_crit_edge:
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; LEGACYPM-NEXT: br i1 true, label [[DO_BODY_I_I_RDRAND_INT_EXIT_I_CRIT_EDGE:%.*]], label [[DO_BODY_I_I_DO_BODY_I_I_CRIT_EDGE]]
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; LEGACYPM: do.body.i.i.rdrand_int.exit.i_crit_edge:
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; LEGACYPM-NEXT: br i1 true, label [[DO_BODY_I_I_RDRAND_INT_EXIT_I_CRIT_EDGE_FOR_END_CRIT_EDGE:%.*]], label [[FOR_INC:%.*]]
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; LEGACYPM: do.body.i.i.rdrand_int.exit.i_crit_edge.for.end_crit_edge:
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; LEGACYPM-NEXT: [[LSR_IV_NEXT_LCSSA_LCSSA:%.*]] = phi i64 [ undef, [[DO_BODY_I_I_RDRAND_INT_EXIT_I_CRIT_EDGE]] ]
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; LEGACYPM-NEXT: br label [[FOR_END:%.*]]
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; LEGACYPM: for.inc:
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; LEGACYPM-NEXT: br label [[FOR_COND]]
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; LEGACYPM: for.endsplit:
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; LEGACYPM-NEXT: br label [[FOR_END]]
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; LEGACYPM: for.end:
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; LEGACYPM-NEXT: [[PGOCOUNT_PROMOTED24:%.*]] = phi i64 [ [[LSR_IV_NEXT_LCSSA_LCSSA]], [[DO_BODY_I_I_RDRAND_INT_EXIT_I_CRIT_EDGE_FOR_END_CRIT_EDGE]] ], [ undef, [[FOR_ENDSPLIT:%.*]] ]
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; LEGACYPM-NEXT: ret i32 undef
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;
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; NEWPM-LABEL: @test1(
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; NEWPM-NEXT: entry:
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; NEWPM-NEXT: br label [[FOR_COND:%.*]]
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; NEWPM: for.cond:
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; NEWPM-NEXT: callbr void asm sideeffect "", "!i,!i,~{dirflag},~{fpsr},~{flags}"()
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; NEWPM-NEXT: to label [[ASM_FALLTHROUGH_I_I:%.*]] [label [[COND_TRUE_I:%.*]], label %for.end]
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; NEWPM: asm.fallthrough.i.i:
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; NEWPM-NEXT: unreachable
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; NEWPM: cond.true.i:
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; NEWPM-NEXT: br label [[DO_BODY_I_I_DO_BODY_I_I_CRIT_EDGE:%.*]]
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; NEWPM: do.body.i.i.do.body.i.i_crit_edge:
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; NEWPM-NEXT: br i1 true, label [[DO_BODY_I_I_RDRAND_INT_EXIT_I_CRIT_EDGE:%.*]], label [[DO_BODY_I_I_DO_BODY_I_I_CRIT_EDGE]]
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; NEWPM: do.body.i.i.rdrand_int.exit.i_crit_edge:
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; NEWPM-NEXT: [[TMP0:%.*]] = add i64 1, undef
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; NEWPM-NEXT: br i1 true, label [[FOR_END:%.*]], label [[FOR_INC:%.*]]
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; NEWPM: for.inc:
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; NEWPM-NEXT: br label [[FOR_COND]]
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; NEWPM: for.end:
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; NEWPM-NEXT: [[PGOCOUNT_PROMOTED24:%.*]] = phi i64 [ undef, [[FOR_COND]] ], [ [[TMP0]], [[DO_BODY_I_I_RDRAND_INT_EXIT_I_CRIT_EDGE]] ]
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; NEWPM-NEXT: ret i32 undef
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;
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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; It's ok to modify this test in the future should we be able to split critical
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; edges here, just noting that this is the critical edge that we care about.
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callbr void asm sideeffect "", "!i,!i,~{dirflag},~{fpsr},~{flags}"()
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to label %asm.fallthrough.i.i [label %cond.true.i, label %for.end]
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asm.fallthrough.i.i: ; preds = %for.cond
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unreachable
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cond.true.i: ; preds = %for.cond
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br label %do.body.i.i.do.body.i.i_crit_edge
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do.body.i.i.do.body.i.i_crit_edge: ; preds = %do.body.i.i.do.body.i.i_crit_edge, %cond.true.i
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%pgocount711 = phi i64 [ %0, %do.body.i.i.do.body.i.i_crit_edge ], [ 0, %cond.true.i ]
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%0 = add nuw nsw i64 %pgocount711, 1
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br i1 true, label %do.body.i.i.rdrand_int.exit.i_crit_edge, label %do.body.i.i.do.body.i.i_crit_edge
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do.body.i.i.rdrand_int.exit.i_crit_edge: ; preds = %do.body.i.i.do.body.i.i_crit_edge
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%1 = add i64 %0, undef
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br i1 true, label %for.end, label %for.inc
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for.inc: ; preds = %do.body.i.i.rdrand_int.exit.i_crit_edge
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br label %for.cond
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for.end: ; preds = %do.body.i.i.rdrand_int.exit.i_crit_edge, %for.cond
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%pgocount.promoted24 = phi i64 [ undef, %for.cond ], [ %1, %do.body.i.i.rdrand_int.exit.i_crit_edge ]
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ret i32 undef
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}
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