45 lines
1.6 KiB
LLVM
45 lines
1.6 KiB
LLVM
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; RUN: opt -thinlto-bc %s -write-relbf-to-summary -thin-link-bitcode-file=%t1.thinlink.bc -o %t1.bc
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; RUN: opt -thinlto-bc %p/Inputs/function_entry_count.ll -write-relbf-to-summary -thin-link-bitcode-file=%t2.thinlink.bc -o %t2.bc
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; First perform the thin link on the normal bitcode file.
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; RUN: llvm-lto2 run %t1.bc %t2.bc -o %t.o -save-temps -thinlto-synthesize-entry-counts \
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; RUN: -r=%t1.bc,g, \
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; RUN: -r=%t1.bc,f,px \
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; RUN: -r=%t1.bc,h,px \
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; RUN: -r=%t2.bc,h, \
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; RUN: -r=%t2.bc,g,px
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; RUN: llvm-dis -o - %t.o.1.3.import.bc | FileCheck %s
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; RUN: llvm-lto -thinlto-action=run -thinlto-synthesize-entry-counts -exported-symbol=f \
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; RUN: -exported-symbol=g -exported-symbol=h -thinlto-save-temps=%t3. %t1.bc %t2.bc
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; RUN: llvm-dis %t3.0.3.imported.bc -o - | FileCheck %s
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; CHECK: define void @h() !prof ![[PROF2:[0-9]+]]
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; CHECK: define void @f(i32{{.*}}) !prof ![[PROF1:[0-9]+]]
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; CHECK: define available_externally void @g() !prof ![[PROF2]]
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; CHECK-DAG: ![[PROF1]] = !{!"synthetic_function_entry_count", i64 10}
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; CHECK-DAG: ![[PROF2]] = !{!"synthetic_function_entry_count", i64 198}
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target triple = "x86_64-unknown-linux-gnu"
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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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declare void @g();
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define void @h() {
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ret void
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}
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define void @f(i32 %n) {
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entry:
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%cmp = icmp slt i32 %n, 1
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br i1 %cmp, label %exit, label %loop
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loop:
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%n1 = phi i32 [%n, %entry], [%n2, %loop]
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call void @g()
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%n2 = sub i32 %n1, 1
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%cmp2 = icmp slt i32 %n, 1
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br i1 %cmp2, label %exit, label %loop
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exit:
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ret void
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}
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