1b79a34a56
To be removed and promoted to a proper driver flag if experiments turn out fruitful. For now, this can be experimented with `-mllvm -pgo-cold-func-opt=[optsize|minsize|optnone|default] -mllvm -enable-pgo-force-function-attrs`. Original LLVM patch for this functionality: #69030
13 lines
692 B
LLVM
13 lines
692 B
LLVM
; RUN: %clang_cc1 -O2 -mllvm -pgo-cold-func-opt=optsize -mllvm -enable-pgo-force-function-attrs -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s -emit-llvm -o - | FileCheck %s --check-prefix=OPTSIZE
|
|
; Check that no profile means no optsize
|
|
; RUN: %clang_cc1 -O2 -mllvm -pgo-cold-func-opt=optsize -mllvm -enable-pgo-force-function-attrs %s -emit-llvm -o - | FileCheck %s --check-prefix=NONE
|
|
; Check that no -pgo-cold-func-opt=optsize means no optsize
|
|
; RUN: %clang_cc1 -O2 -mllvm -enable-pgo-force-function-attrs -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s -emit-llvm -o - | FileCheck %s --check-prefix=NONE
|
|
|
|
; NONE-NOT: optsize
|
|
; OPTSIZE: optsize
|
|
|
|
define void @f() cold {
|
|
ret void
|
|
}
|