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Diffstat (limited to 'test/Transforms/PGOProfile/irreducible.ll')
| -rw-r--r-- | test/Transforms/PGOProfile/irreducible.ll | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/test/Transforms/PGOProfile/irreducible.ll b/test/Transforms/PGOProfile/irreducible.ll new file mode 100644 index 00000000000..37f6e206ee9 --- /dev/null +++ b/test/Transforms/PGOProfile/irreducible.ll @@ -0,0 +1,184 @@ +; RUN: llvm-profdata merge %S/Inputs/irreducible.proftext -o %t.profdata +; RUN: opt < %s -pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE +; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE + +; GEN: $__llvm_profile_raw_version = comdat any + +; Function Attrs: noinline norecurse nounwind readnone uwtable +define i32 @_Z11irreducibleii(i32 %iter_outer, i32 %iter_inner) local_unnamed_addr #0 { +entry: + %cmp24 = icmp sgt i32 %iter_outer, 0 + br i1 %cmp24, label %for.body, label %entry.for.cond.cleanup_crit_edge + +entry.for.cond.cleanup_crit_edge: ; preds = %entry + br label %for.cond.cleanup + +for.cond.cleanup: ; preds = %entry.for.cond.cleanup_crit_edge, %for.end + %sum.0.lcssa = phi i32 [ 0, %entry.for.cond.cleanup_crit_edge ], [ %sum.1, %for.end ] + ret i32 %sum.0.lcssa + +for.body: ; preds = %entry, %for.end + %k.026 = phi i32 [ %inc12, %for.end ], [ 0, %entry ] + %sum.025 = phi i32 [ %sum.1, %for.end ], [ 0, %entry ] + %rem23 = and i32 %k.026, 1 + %cmp1 = icmp eq i32 %rem23, 0 + br i1 %cmp1, label %entry8, label %for.cond2 + +for.cond2: ; preds = %for.body, %if.end9 + %sum.1 = phi i32 [ %add10, %if.end9 ], [ %sum.025, %for.body ] + %i.0 = phi i32 [ %inc, %if.end9 ], [ 0, %for.body ] + %cmp3 = icmp slt i32 %i.0, %iter_inner + br i1 %cmp3, label %for.body4, label %for.end +; USE: br i1 %cmp3, label %for.body4, label %for.end, !prof !{{[0-9]+}}, +; USE-SAME: !irr_loop ![[FOR_COND2_IRR_LOOP:[0-9]+]] + +for.body4: ; preds = %for.cond2 + %rem5 = srem i32 %k.026, 3 + %cmp6 = icmp eq i32 %rem5, 0 + br i1 %cmp6, label %entry8, label %if.end9 + +entry8: ; preds = %for.body4, %for.body + %sum.2 = phi i32 [ %sum.025, %for.body ], [ %sum.1, %for.body4 ] + %i.1 = phi i32 [ 0, %for.body ], [ %i.0, %for.body4 ] + %add = add nsw i32 %sum.2, 4 + br label %if.end9 +; USE: br label %if.end9, +; USE-SAME: !irr_loop ![[ENTRY8_IRR_LOOP:[0-9]+]] + +if.end9: ; preds = %entry8, %for.body4 + %sum.3 = phi i32 [ %add, %entry8 ], [ %sum.1, %for.body4 ] + %i.2 = phi i32 [ %i.1, %entry8 ], [ %i.0, %for.body4 ] + %add10 = add nsw i32 %sum.3, 1 + %inc = add nsw i32 %i.2, 1 + br label %for.cond2 +; USE: br label %for.cond2, +; USE-SAME: !irr_loop ![[IF_END9_IRR_LOOP:[0-9]+]] + +for.end: ; preds = %for.cond2 + %inc12 = add nuw nsw i32 %k.026, 1 + %exitcond = icmp eq i32 %inc12, %iter_outer + br i1 %exitcond, label %for.cond.cleanup, label %for.body +} + + + +@targets = local_unnamed_addr global [256 x i8*] zeroinitializer, align 16 +@tracing = local_unnamed_addr global i32 0, align 4 + +; Function Attrs: noinline norecurse nounwind uwtable +define i32 @_Z11irreduciblePh(i8* nocapture readonly %p) { +entry: + store <2 x i8*> <i8* blockaddress(@_Z11irreduciblePh, %sw.bb), i8* blockaddress(@_Z11irreduciblePh, %TARGET_1)>, <2 x i8*>* bitcast ([256 x i8*]* @targets to <2 x i8*>*), align 16 + store i8* blockaddress(@_Z11irreduciblePh, %TARGET_2), i8** getelementptr inbounds ([256 x i8*], [256 x i8*]* @targets, i64 0, i64 2), align 16 + %0 = load i32, i32* @tracing, align 4 + %tobool = icmp eq i32 %0, 0 + br label %for.cond1 + +for.cond1: ; preds = %sw.default, %entry + %p.addr.0 = phi i8* [ %p, %entry ], [ %p.addr.4, %sw.default ] + %sum.0 = phi i32 [ 0, %entry ], [ %add25, %sw.default ] + %incdec.ptr = getelementptr inbounds i8, i8* %p.addr.0, i64 1 + %1 = load i8, i8* %p.addr.0, align 1 + %incdec.ptr2 = getelementptr inbounds i8, i8* %p.addr.0, i64 2 + %2 = load i8, i8* %incdec.ptr, align 1 + %conv3 = zext i8 %2 to i32 + br label %dispatch_op + +dispatch_op: ; preds = %sw.bb6, %for.cond1 + %p.addr.1 = phi i8* [ %incdec.ptr2, %for.cond1 ], [ %p.addr.2, %sw.bb6 ] + %op.0 = phi i8 [ %1, %for.cond1 ], [ 1, %sw.bb6 ] + %oparg.0 = phi i32 [ %conv3, %for.cond1 ], [ %oparg.2, %sw.bb6 ] + %sum.1 = phi i32 [ %sum.0, %for.cond1 ], [ %add7, %sw.bb6 ] + switch i8 %op.0, label %sw.default [ + i8 0, label %sw.bb + i8 1, label %dispatch_op.sw.bb6_crit_edge + i8 2, label %sw.bb15 + ] + +dispatch_op.sw.bb6_crit_edge: ; preds = %dispatch_op + br label %sw.bb6 + +sw.bb: ; preds = %indirectgoto, %dispatch_op + %oparg.1 = phi i32 [ %oparg.0, %dispatch_op ], [ 0, %indirectgoto ] + %sum.2 = phi i32 [ %sum.1, %dispatch_op ], [ %sum.7, %indirectgoto ] + %add.neg = sub i32 -5, %oparg.1 + %sub = add i32 %add.neg, %sum.2 + br label %exit + +TARGET_1: ; preds = %indirectgoto + %incdec.ptr4 = getelementptr inbounds i8, i8* %add.ptr.pn, i64 2 + %3 = load i8, i8* %p.addr.5, align 1 + %conv5 = zext i8 %3 to i32 + br label %sw.bb6 + +sw.bb6: ; preds = %dispatch_op.sw.bb6_crit_edge, %TARGET_1 + %p.addr.2 = phi i8* [ %incdec.ptr4, %TARGET_1 ], [ %p.addr.1, %dispatch_op.sw.bb6_crit_edge ] + %oparg.2 = phi i32 [ %conv5, %TARGET_1 ], [ %oparg.0, %dispatch_op.sw.bb6_crit_edge ] + %sum.3 = phi i32 [ %sum.7, %TARGET_1 ], [ %sum.1, %dispatch_op.sw.bb6_crit_edge ] + %mul = mul nsw i32 %oparg.2, 7 + %add7 = add nsw i32 %sum.3, %mul + %rem46 = and i32 %add7, 1 + %cmp8 = icmp eq i32 %rem46, 0 + br i1 %cmp8, label %dispatch_op, label %if.then +; USE: br i1 %cmp8, label %dispatch_op, label %if.then, !prof !{{[0-9]+}}, +; USE-SAME: !irr_loop ![[SW_BB6_IRR_LOOP:[0-9]+]] + +if.then: ; preds = %sw.bb6 + %mul9 = mul nsw i32 %add7, 9 + br label %indirectgoto + +TARGET_2: ; preds = %indirectgoto + %incdec.ptr13 = getelementptr inbounds i8, i8* %add.ptr.pn, i64 2 + %4 = load i8, i8* %p.addr.5, align 1 + %conv14 = zext i8 %4 to i32 + br label %sw.bb15 + +sw.bb15: ; preds = %TARGET_2, %dispatch_op + %p.addr.3 = phi i8* [ %p.addr.1, %dispatch_op ], [ %incdec.ptr13, %TARGET_2 ] + %oparg.3 = phi i32 [ %oparg.0, %dispatch_op ], [ %conv14, %TARGET_2 ] + %sum.4 = phi i32 [ %sum.1, %dispatch_op ], [ %sum.7, %TARGET_2 ] + %add16 = add nsw i32 %oparg.3, 3 + %add17 = add nsw i32 %add16, %sum.4 + br i1 %tobool, label %if.then18, label %exit +; USE: br i1 %tobool, label %if.then18, label %exit, !prof !{{[0-9]+}}, +; USE-SAME: !irr_loop ![[SW_BB15_IRR_LOOP:[0-9]+]] + +if.then18: ; preds = %sw.bb15 + %idx.ext = sext i32 %oparg.3 to i64 + %add.ptr = getelementptr inbounds i8, i8* %p.addr.3, i64 %idx.ext + %mul19 = mul nsw i32 %add17, 17 + br label %indirectgoto + +unknown_op: ; preds = %indirectgoto + %sub24 = add nsw i32 %sum.7, -4 + br label %sw.default + +sw.default: ; preds = %unknown_op, %dispatch_op + %p.addr.4 = phi i8* [ %p.addr.5, %unknown_op ], [ %p.addr.1, %dispatch_op ] + %sum.5 = phi i32 [ %sub24, %unknown_op ], [ %sum.1, %dispatch_op ] + %add25 = add nsw i32 %sum.5, 11 + br label %for.cond1 + +exit: ; preds = %sw.bb15, %sw.bb + %sum.6 = phi i32 [ %sub, %sw.bb ], [ %add17, %sw.bb15 ] + ret i32 %sum.6 + +indirectgoto: ; preds = %if.then18, %if.then + %add.ptr.pn = phi i8* [ %add.ptr, %if.then18 ], [ %p.addr.2, %if.then ] + %sum.7 = phi i32 [ %mul19, %if.then18 ], [ %mul9, %if.then ] + %p.addr.5 = getelementptr inbounds i8, i8* %add.ptr.pn, i64 1 + %5 = load i8, i8* %add.ptr.pn, align 1 + %idxprom21 = zext i8 %5 to i64 + %arrayidx22 = getelementptr inbounds [256 x i8*], [256 x i8*]* @targets, i64 0, i64 %idxprom21 + %6 = load i8*, i8** %arrayidx22, align 8 + indirectbr i8* %6, [label %unknown_op, label %sw.bb, label %TARGET_1, label %TARGET_2] +; USE: indirectbr i8* %6, [label %unknown_op, label %sw.bb, label %TARGET_1, label %TARGET_2], !prof !{{[0-9]+}}, +; USE-SAME: !irr_loop ![[INDIRECTGOTO_IRR_LOOP:[0-9]+]] +} + +; USE: ![[FOR_COND2_IRR_LOOP]] = !{!"loop_header_weight", i64 1050} +; USE: ![[ENTRY8_IRR_LOOP]] = !{!"loop_header_weight", i64 373} +; USE: ![[IF_END9_IRR_LOOP]] = !{!"loop_header_weight", i64 1000} +; USE: ![[SW_BB6_IRR_LOOP]] = !{!"loop_header_weight", i64 501} +; USE: ![[SW_BB15_IRR_LOOP]] = !{!"loop_header_weight", i64 100} +; USE: ![[INDIRECTGOTO_IRR_LOOP]] = !{!"loop_header_weight", i64 400} |