1 ; This tests that a hot callsite gets the (higher) inlinehint-threshold even without 2 ; without inline hints and gets inlined because the cost is less than 3 ; inlinehint-threshold. A cold callee with identical body does not get inlined because 4 ; cost exceeds the inline-threshold 5 6 ; RUN: opt < %s -inline -inline-threshold=0 -hot-callsite-threshold=100 -S | FileCheck %s 7 ; RUN: opt < %s -passes='require<profile-summary>,cgscc(inline)' -inline-threshold=0 -hot-callsite-threshold=100 -S | FileCheck %s 8 9 ; Run this with the default O2 pipeline to test that profile summary analysis 10 ; is available during inlining. 11 ; RUN: opt < %s -passes='default<O2>' -inline-threshold=0 -hot-callsite-threshold=100 -S | FileCheck %s 12 13 define i32 @callee1(i32 %x) { 14 %x1 = add i32 %x, 1 15 %x2 = add i32 %x1, 1 16 %x3 = add i32 %x2, 1 17 call void @extern() 18 call void @extern() 19 ret i32 %x3 20 } 21 22 define i32 @callee2(i32 %x) { 23 ; CHECK-LABEL: @callee2( 24 %x1 = add i32 %x, 1 25 %x2 = add i32 %x1, 1 26 %x3 = add i32 %x2, 1 27 call void @extern() 28 call void @extern() 29 ret i32 %x3 30 } 31 32 define i32 @caller2(i32 %y1) { 33 ; CHECK-LABEL: @caller2( 34 ; CHECK: call i32 @callee2 35 ; CHECK-NOT: call i32 @callee1 36 ; CHECK: ret i32 %x3.i 37 %y2 = call i32 @callee2(i32 %y1), !prof !22 38 %y3 = call i32 @callee1(i32 %y2), !prof !21 39 ret i32 %y3 40 } 41 42 declare void @extern() 43 44 !llvm.module.flags = !{!1} 45 !21 = !{!"branch_weights", i64 300} 46 !22 = !{!"branch_weights", i64 1} 47 48 !1 = !{i32 1, !"ProfileSummary", !2} 49 !2 = !{!3, !4, !5, !6, !7, !8, !9, !10} 50 !3 = !{!"ProfileFormat", !"SampleProfile"} 51 !4 = !{!"TotalCount", i64 10000} 52 !5 = !{!"MaxCount", i64 1000} 53 !6 = !{!"MaxInternalCount", i64 1} 54 !7 = !{!"MaxFunctionCount", i64 1000} 55 !8 = !{!"NumCounts", i64 3} 56 !9 = !{!"NumFunctions", i64 3} 57 !10 = !{!"DetailedSummary", !11} 58 !11 = !{!12, !13, !14} 59 !12 = !{i32 10000, i64 100, i32 1} 60 !13 = !{i32 999000, i64 100, i32 1} 61 !14 = !{i32 999999, i64 1, i32 2} 62
