derek.holloway
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104 lines
3.9 KiB
LLVM
104 lines
3.9 KiB
LLVM
;; Test callsite context graph generation for simple call graph with
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;; two memprof contexts and no inlining, where one callsite required for
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;; cloning is missing (e.g. unmatched). Use this to test aggressive hinting
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;; threshold.
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;;
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;; Original code looks like:
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;;
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;; char *foo() {
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;; return new char[10];
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;; }
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;;
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;; int main(int argc, char **argv) {
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;; char *x = foo();
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;; char *y = foo();
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;; memset(x, 0, 10);
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;; memset(y, 0, 10);
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;; delete[] x;
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;; sleep(200);
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;; delete[] y;
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;; return 0;
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;; }
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; RUN: opt -thinlto-bc -memprof-report-hinted-sizes %s >%t.o
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; RUN: llvm-lto2 run %t.o -enable-memprof-context-disambiguation \
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; RUN: -supports-hot-cold-new \
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; RUN: -r=%t.o,main,plx \
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; RUN: -r=%t.o,_Znam, \
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; RUN: -memprof-report-hinted-sizes \
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; RUN: -pass-remarks=memprof-context-disambiguation -save-temps \
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; RUN: -o %t.out 2>&1 | FileCheck %s --implicit-check-not "call in clone _Z3foov" \
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; RUN: --check-prefix=SIZESUNHINTED
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; RUN: llvm-dis %t.out.1.4.opt.bc -o - | FileCheck %s --implicit-check-not "\"memprof\"=\"cold\""
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;; Check that we do hint with a sufficient -memprof-cloning-cold-threshold.
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; RUN: opt -thinlto-bc -memprof-report-hinted-sizes %s >%t.o
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; RUN: llvm-lto2 run %t.o -enable-memprof-context-disambiguation \
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; RUN: -supports-hot-cold-new \
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; RUN: -r=%t.o,main,plx \
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; RUN: -r=%t.o,_Znam, \
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; RUN: -memprof-report-hinted-sizes -memprof-cloning-cold-threshold=80 \
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; RUN: -pass-remarks=memprof-context-disambiguation -save-temps \
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; RUN: -o %t.out 2>&1 | FileCheck %s --check-prefix=REMARKSHINTED \
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; RUN: --check-prefix=SIZESHINTED
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; RUN: llvm-dis %t.out.1.4.opt.bc -o - | FileCheck %s --check-prefix=IRHINTED
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;; Check again that we hint with a sufficient -memprof-cloning-cold-threshold,
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;; even if we don't specify -memprof-report-hinted-sizes.
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; RUN: opt -thinlto-bc -memprof-report-hinted-sizes %s >%t.o
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; RUN: llvm-lto2 run %t.o -enable-memprof-context-disambiguation \
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; RUN: -supports-hot-cold-new \
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; RUN: -r=%t.o,main,plx \
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; RUN: -r=%t.o,_Znam, \
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; RUN: -memprof-cloning-cold-threshold=80 \
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; RUN: -pass-remarks=memprof-context-disambiguation -save-temps \
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; RUN: -o %t.out 2>&1 | FileCheck %s --check-prefix=REMARKSHINTED
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; RUN: llvm-dis %t.out.1.4.opt.bc -o - | FileCheck %s --check-prefix=IRHINTED
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source_filename = "memprof-missing-callsite.ll"
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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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define i32 @main() #0 {
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entry:
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;; Missing callsite metadata blocks cloning
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%call = call ptr @_Z3foov()
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%call1 = call ptr @_Z3foov()
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ret i32 0
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}
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define internal ptr @_Z3foov() #0 {
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entry:
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%call = call ptr @_Znam(i64 0), !memprof !2, !callsite !7
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ret ptr null
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}
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declare ptr @_Znam(i64)
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; uselistorder directives
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uselistorder ptr @_Z3foov, { 1, 0 }
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attributes #0 = { noinline optnone }
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!2 = !{!3, !5}
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!3 = !{!4, !"notcold", !10}
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!4 = !{i64 9086428284934609951, i64 8632435727821051414}
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!5 = !{!6, !"cold", !11, !12}
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!6 = !{i64 9086428284934609951, i64 -3421689549917153178}
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!7 = !{i64 9086428284934609951}
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!10 = !{i64 123, i64 100}
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!11 = !{i64 456, i64 200}
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!12 = !{i64 789, i64 300}
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; SIZESUNHINTED: NotCold full allocation context 123 with total size 100 is NotColdCold after cloning
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; SIZESUNHINTED: Cold full allocation context 456 with total size 200 is NotColdCold after cloning
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; SIZESUNHINTED: Cold full allocation context 789 with total size 300 is NotColdCold after cloning
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; SIZESHINTED: NotCold full allocation context 123 with total size 100 is NotColdCold after cloning marked Cold due to cold byte percent
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; SIZESHINTED: Cold full allocation context 456 with total size 200 is NotColdCold after cloning marked Cold due to cold byte percent
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; SIZESHINTED: Cold full allocation context 789 with total size 300 is NotColdCold after cloning marked Cold due to cold byte percent
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; REMARKSHINTED: call in clone _Z3foov marked with memprof allocation attribute cold
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; IRHINTED: "memprof"="cold"
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