| ; The magic number 6 comes from (1 * TCC_Expensive) + (1 * CostOfCallX86). |
| ; RUN: opt -hotcoldsplit -min-outlining-thresh=6 -S < %s | FileCheck %s |
| |
| ; Test that we outline even though there are only two cold instructions. TTI |
| ; should determine that they are expensive in terms of code size. |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.14.0" |
| |
| ; CHECK-LABEL: @fun |
| ; CHECK: call void @fun.cold.1 |
| define void @fun(i32 %x) { |
| entry: |
| br i1 undef, label %if.then, label %if.else |
| |
| if.then: |
| ret void |
| |
| if.else: |
| %y = sdiv i32 %x, 111 |
| call void @sink(i32 %y) |
| ret void |
| } |
| |
| declare void @sink(i32 %x) cold |
