143 lines
6.1 KiB
LLVM
143 lines
6.1 KiB
LLVM
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; RUN: llvm-profdata merge %S/Inputs/irreducible.proftext -o %t.profdata
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; RUN: opt < %s -pgo-instr-use -pgo-instrument-entry=false -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
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; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=false -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
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; RUN: llvm-profdata merge %S/Inputs/irreducible_entry.proftext -o %t2.profdata
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; RUN: opt < %s -pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t2.profdata -S | FileCheck %s --check-prefix=USE
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; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t2.profdata -S | FileCheck %s --check-prefix=USE
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; GEN: $__llvm_profile_raw_version = comdat any
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; Function Attrs: noinline norecurse nounwind readnone uwtable
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define i32 @_Z11irreducibleii(i32 %iter_outer, i32 %iter_inner) local_unnamed_addr #0 {
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entry:
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%cmp24 = icmp sgt i32 %iter_outer, 0
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br i1 %cmp24, label %for.body, label %entry.for.cond.cleanup_crit_edge
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entry.for.cond.cleanup_crit_edge: ; preds = %entry
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br label %for.cond.cleanup
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for.cond.cleanup: ; preds = %entry.for.cond.cleanup_crit_edge, %for.end
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%sum.0.lcssa = phi i32 [ 0, %entry.for.cond.cleanup_crit_edge ], [ %sum.1, %for.end ]
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ret i32 %sum.0.lcssa
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for.body: ; preds = %entry, %for.end
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%k.026 = phi i32 [ %inc12, %for.end ], [ 0, %entry ]
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%sum.025 = phi i32 [ %sum.1, %for.end ], [ 0, %entry ]
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%rem23 = and i32 %k.026, 1
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%cmp1 = icmp eq i32 %rem23, 0
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br i1 %cmp1, label %entry8, label %for.cond2
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for.cond2: ; preds = %for.body, %if.end9
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%sum.1 = phi i32 [ %add10, %if.end9 ], [ %sum.025, %for.body ]
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%i.0 = phi i32 [ %inc, %if.end9 ], [ 0, %for.body ]
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%cmp3 = icmp slt i32 %i.0, %iter_inner
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br i1 %cmp3, label %for.body4, label %for.end
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; USE: br i1 %cmp3, label %for.body4, label %for.end, !prof !{{[0-9]+}},
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; USE-SAME: !irr_loop ![[FOR_COND2_IRR_LOOP:[0-9]+]]
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for.body4: ; preds = %for.cond2
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%rem5 = srem i32 %k.026, 3
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%cmp6 = icmp eq i32 %rem5, 0
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br i1 %cmp6, label %entry8, label %if.end9
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entry8: ; preds = %for.body4, %for.body
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%sum.2 = phi i32 [ %sum.025, %for.body ], [ %sum.1, %for.body4 ]
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%i.1 = phi i32 [ 0, %for.body ], [ %i.0, %for.body4 ]
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%add = add nsw i32 %sum.2, 4
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br label %if.end9
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; USE: br label %if.end9,
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; USE-SAME: !irr_loop ![[ENTRY8_IRR_LOOP:[0-9]+]]
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if.end9: ; preds = %entry8, %for.body4
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%sum.3 = phi i32 [ %add, %entry8 ], [ %sum.1, %for.body4 ]
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%i.2 = phi i32 [ %i.1, %entry8 ], [ %i.0, %for.body4 ]
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%add10 = add nsw i32 %sum.3, 1
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%inc = add nsw i32 %i.2, 1
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br label %for.cond2
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; USE: br label %for.cond2,
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; USE-SAME: !irr_loop ![[IF_END9_IRR_LOOP:[0-9]+]]
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for.end: ; preds = %for.cond2
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%inc12 = add nuw nsw i32 %k.026, 1
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%exitcond = icmp eq i32 %inc12, %iter_outer
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br i1 %exitcond, label %for.cond.cleanup, label %for.body
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}
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@targets = local_unnamed_addr global [256 x i8*] zeroinitializer, align 16
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@tracing = local_unnamed_addr global i32 0, align 4
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; Function Attrs: noinline norecurse nounwind uwtable
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define i32 @_Z11irreduciblePh(i8* nocapture readonly %p) {
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entry:
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%0 = load i32, i32* @tracing, align 4
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%1 = trunc i32 %0 to i8
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%tobool = icmp eq i32 %0, 0
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br label %for.cond1
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for.cond1: ; preds = %sw.default, %entry
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br label %dispatch_op
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dispatch_op: ; preds = %sw.bb6, %for.cond1
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switch i8 %1, label %sw.default [
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i8 0, label %sw.bb
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i8 1, label %dispatch_op.sw.bb6_crit_edge
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i8 2, label %sw.bb15
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]
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dispatch_op.sw.bb6_crit_edge: ; preds = %dispatch_op
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br label %sw.bb6
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sw.bb: ; preds = %indirectgoto, %dispatch_op
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br label %exit
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TARGET_1: ; preds = %indirectgoto
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br label %sw.bb6
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; USE: br label %sw.bb6, !irr_loop {{.*}}
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sw.bb6: ; preds = %TARGET_1, %dispatch_op.sw.bb6_crit_edge
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br i1 %tobool, label %dispatch_op, label %if.then
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; USE: br i1 %tobool, label %dispatch_op, label %if.then, !prof !{{[0-9]+}},
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; USE-SAME: !irr_loop ![[SW_BB6_IRR_LOOP:[0-9]+]]
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if.then: ; preds = %sw.bb6
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br label %indirectgoto
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TARGET_2: ; preds = %indirectgoto
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br label %sw.bb15
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; USE: br label %sw.bb15, !irr_loop {{.*}}
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sw.bb15: ; preds = %TARGET_2, %dispatch_op
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br i1 %tobool, label %if.then18, label %exit
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; USE: br i1 %tobool, label %if.then18, label %exit, !prof !{{[0-9]+}},
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; USE-SAME: !irr_loop ![[SW_BB15_IRR_LOOP:[0-9]+]]
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if.then18: ; preds = %sw.bb15
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br label %indirectgoto
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unknown_op: ; preds = %indirectgoto
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br label %sw.default
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sw.default: ; preds = %unknown_op, %dispatch_op
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br label %for.cond1
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exit: ; preds = %sw.bb15, %sw.bb
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ret i32 0
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indirectgoto: ; preds = %if.then18, %if.then
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%idxprom21 = zext i32 %0 to i64
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%arrayidx22 = getelementptr inbounds [256 x i8*], [256 x i8*]* @targets, i64 0, i64 %idxprom21
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%target = load i8*, i8** %arrayidx22, align 8
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indirectbr i8* %target, [label %unknown_op, label %sw.bb, label %TARGET_1, label %TARGET_2]
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; USE: indirectbr i8* %target, [label %unknown_op, label %sw.bb, label %TARGET_1, label %TARGET_2], !prof !{{[0-9]+}},
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; USE-SAME: !irr_loop ![[INDIRECTGOTO_IRR_LOOP:[0-9]+]]
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}
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; USE: ![[FOR_COND2_IRR_LOOP]] = !{!"loop_header_weight", i64 1050}
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; USE: ![[ENTRY8_IRR_LOOP]] = !{!"loop_header_weight", i64 373}
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; USE: ![[IF_END9_IRR_LOOP]] = !{!"loop_header_weight", i64 1000}
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; USE: ![[SW_BB6_IRR_LOOP]] = !{!"loop_header_weight", i64 501}
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; USE: ![[SW_BB15_IRR_LOOP]] = !{!"loop_header_weight", i64 100}
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; USE: ![[INDIRECTGOTO_IRR_LOOP]] = !{!"loop_header_weight", i64 400}
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