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40 lines
1016 B
LLVM
40 lines
1016 B
LLVM
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; RUN: opt < %s -inline -inline-threshold=0 -inlinehint-threshold=100 -S | FileCheck %s
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; This tests that a hot callee gets the (higher) inlinehint-threshold even without
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; inline hints and gets inlined because the cost is less than inlinehint-threshold.
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; A cold callee with identical body does not get inlined because cost exceeds the
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; inline-threshold
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define i32 @callee1(i32 %x) !prof !1 {
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%x1 = add i32 %x, 1
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%x2 = add i32 %x1, 1
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%x3 = add i32 %x2, 1
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ret i32 %x3
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}
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define i32 @callee2(i32 %x) !prof !2 {
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; CHECK-LABEL: @callee2(
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%x1 = add i32 %x, 1
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%x2 = add i32 %x1, 1
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%x3 = add i32 %x2, 1
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ret i32 %x3
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}
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define i32 @caller2(i32 %y1) !prof !2 {
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; CHECK-LABEL: @caller2(
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; CHECK: call i32 @callee2
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; CHECK-NOT: call i32 @callee1
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; CHECK: ret i32 %x3.i
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%y2 = call i32 @callee2(i32 %y1)
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%y3 = call i32 @callee1(i32 %y2)
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ret i32 %y3
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}
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"MaxFunctionCount", i32 10}
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!1 = !{!"function_entry_count", i64 10}
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!2 = !{!"function_entry_count", i64 1}
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