forked from OSchip/llvm-project
156 lines
5.1 KiB
LLVM
156 lines
5.1 KiB
LLVM
; Test the profile summary for context sensitive PGO (CSPGO)
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; RUN: llvm-profdata merge %S/Inputs/cspgo.proftext -o %t.profdata
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; RUN: opt < %s -O2 -disable-preinline -pgo-kind=pgo-instr-use-pipeline -profile-file=%t.profdata -S | FileCheck %s --check-prefix=PGOSUMMARY
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; RUN: opt < %s -O2 -disable-preinline -pgo-kind=pgo-instr-use-pipeline -profile-file=%t.profdata -S -cspgo-kind=cspgo-instr-use-pipeline| FileCheck %s --check-prefix=CSPGOSUMMARY
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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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target triple = "x86_64-unknown-linux-gnu"
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@odd = common dso_local global i32 0, align 4
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@even = common dso_local global i32 0, align 4
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@not_six = common dso_local global i32 0, align 4
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define dso_local i32 @goo(i32 %n) {
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entry:
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%i = alloca i32, align 4
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%i.0..sroa_cast = bitcast i32* %i to i8*
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store volatile i32 %n, i32* %i, align 4
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%i.0. = load volatile i32, i32* %i, align 4
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ret i32 %i.0.
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}
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define dso_local void @bar(i32 %n) {
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entry:
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%call = call fastcc i32 @cond(i32 %n)
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%tobool = icmp eq i32 %call, 0
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br i1 %tobool, label %if.else, label %if.then
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if.then:
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%0 = load i32, i32* @odd, align 4
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%inc = add i32 %0, 1
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store i32 %inc, i32* @odd, align 4
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br label %if.end
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if.else:
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%1 = load i32, i32* @even, align 4
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%inc1 = add i32 %1, 1
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store i32 %inc1, i32* @even, align 4
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br label %if.end
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if.end:
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br label %for.cond
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for.cond:
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%i.0 = phi i32 [ 0, %if.end ], [ %inc6, %for.inc ]
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%cmp = icmp ult i32 %i.0, 4
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br i1 %cmp, label %for.body, label %for.end
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for.body:
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%mul = mul nsw i32 %i.0, %n
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%rem = srem i32 %mul, 6
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%tobool2 = icmp eq i32 %rem, 0
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br i1 %tobool2, label %for.inc, label %if.then3
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if.then3:
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%2 = load i32, i32* @not_six, align 4
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%inc4 = add i32 %2, 1
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store i32 %inc4, i32* @not_six, align 4
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br label %for.inc
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for.inc:
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%inc6 = add nuw nsw i32 %i.0, 1
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br label %for.cond
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for.end:
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ret void
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}
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; PGOSUMMARY-LABEL: @bar
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; PGOSUMMARY: %odd.sink = select i1 %tobool, i32* @even, i32* @odd
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; PGOSUMMARY-SAME: !prof ![[BW_PGO_BAR:[0-9]+]]
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; CSPGOSUMMARY-LABEL: @bar
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; CSPGOSUMMARY: %odd.sink = select i1 %tobool, i32* @even, i32* @odd
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; CSPGOSUMMARY-SAME: !prof ![[BW_CSPGO_BAR:[0-9]+]]
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define internal fastcc i32 @cond(i32 %i) {
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entry:
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%rem = srem i32 %i, 2
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ret i32 %rem
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}
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define dso_local void @foo() {
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entry:
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br label %for.cond
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for.cond:
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%i.0 = phi i32 [ 0, %entry ], [ %add4, %for.body ]
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%cmp = icmp slt i32 %i.0, 200000
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br i1 %cmp, label %for.body, label %for.end
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for.body:
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%call = call i32 @goo(i32 %i.0)
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call void @bar(i32 %call)
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%add = add nsw i32 %call, 1
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call void @bar(i32 %add)
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%call1 = call i32 @bar_m(i32 %call) #4
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%call3 = call i32 @bar_m2(i32 %add) #4
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call fastcc void @barbar()
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%add4 = add nsw i32 %call, 2
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br label %for.cond
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for.end:
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ret void
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}
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; CSPGOSUMMARY-LABEL: @foo
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; CSPGOSUMMARY: %even.sink{{[0-9]*}} = select i1 %tobool.i{{[0-9]*}}, i32* @even, i32* @odd
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; CSPGOSUMMARY-SAME: !prof ![[BW1_CSPGO_FOO:[0-9]+]]
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; CSPGOSUMMARY: %even.sink{{[0-9]*}} = select i1 %tobool.i{{[0-9]*}}, i32* @even, i32* @odd
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; CSPGOSUMMARY-SAME: !prof ![[BW2_CSPGO_FOO:[0-9]+]]
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declare dso_local i32 @bar_m(i32)
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declare dso_local i32 @bar_m2(i32)
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define internal fastcc void @barbar() {
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entry:
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%0 = load i32, i32* @odd, align 4
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%inc = add i32 %0, 1
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store i32 %inc, i32* @odd, align 4
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ret void
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}
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define dso_local i32 @main() {
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entry:
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call void @foo()
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ret i32 0
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}
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; PGOSUMMARY: {{![0-9]+}} = !{i32 1, !"ProfileSummary", !{{[0-9]+}}}
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; PGOSUMMARY: {{![0-9]+}} = !{!"ProfileFormat", !"InstrProf"}
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; PGOSUMMARY: {{![0-9]+}} = !{!"TotalCount", i64 2100001}
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; PGOSUMMARY: {{![0-9]+}} = !{!"MaxCount", i64 800000}
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; PGOSUMMARY: {{![0-9]+}} = !{!"MaxInternalCount", i64 399999}
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; PGOSUMMARY: {{![0-9]+}} = !{!"MaxFunctionCount", i64 800000}
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; PGOSUMMARY: {{![0-9]+}} = !{!"NumCounts", i64 14}
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; PGOSUMMARY: {{![0-9]+}} = !{!"NumFunctions", i64 8}
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; PGOSUMMARY-DAG: ![[BW_PGO_BAR]] = !{!"branch_weights", i32 100000, i32 100000}
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; CSPGOSUMMARY: {{![0-9]+}} = !{i32 1, !"ProfileSummary", !1}
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; CSPGOSUMMARY: {{![0-9]+}} = !{!"ProfileFormat", !"InstrProf"}
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; CSPGOSUMMARY: {{![0-9]+}} = !{!"TotalCount", i64 2100001}
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; CSPGOSUMMARY: {{![0-9]+}} = !{!"MaxCount", i64 800000}
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; CSPGOSUMMARY: {{![0-9]+}} = !{!"MaxInternalCount", i64 399999}
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; CSPGOSUMMARY: {{![0-9]+}} = !{!"MaxFunctionCount", i64 800000}
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; CSPGOSUMMARY: {{![0-9]+}} = !{!"NumCounts", i64 14}
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; CSPGOSUMMARY: {{![0-9]+}} = !{!"NumFunctions", i64 8}
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; CSPGOSUMMARY: {{![0-9]+}} = !{!"DetailedSummary", !10}
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; CSPGOSUMMARY: {{![0-9]+}} = !{i32 1, !"CSProfileSummary", !{{[0-9]+}}}
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; CSPGOSUMMARY: {{![0-9]+}} = !{!"ProfileFormat", !"CSInstrProf"}
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; CSPGOSUMMARY: {{![0-9]+}} = !{!"TotalCount", i64 1299950}
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; CSPGOSUMMARY: {{![0-9]+}} = !{!"MaxCount", i64 200000}
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; CSPGOSUMMARY: {{![0-9]+}} = !{!"MaxInternalCount", i64 100000}
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; CSPGOSUMMARY: {{![0-9]+}} = !{!"MaxFunctionCount", i64 200000}
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; CSPGOSUMMARY: {{![0-9]+}} = !{!"NumCounts", i64 23}
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; CSPGOSUMMARY-DAG: ![[BW_CSPGO_BAR]] = !{!"branch_weights", i32 100000, i32 100000}
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; CSPGOSUMMARY-DAG: ![[BW1_CSPGO_FOO]] = !{!"branch_weights", i32 100000, i32 0}
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; CSPGOSUMMARY-DAG: ![[BW2_CSPGO_FOO]] = !{!"branch_weights", i32 0, i32 100000}
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