| ; RUN: opt < %s -mtriple=x86_64-unknown-linux -passes=pgo-instr-gen -do-comdat-renaming=true -S | FileCheck %s |
| ; RUN: opt < %s -mtriple=x86_64-pc-win32-coff -passes=pgo-instr-gen -do-comdat-renaming=true -S | FileCheck %s |
| |
| ; Rename Comdat group and its function. |
| $f = comdat any |
| ; CHECK: $f.[[SINGLEBB_HASH:[0-9]+]] = comdat any |
| define linkonce_odr void @f() comdat($f) { |
| ret void |
| } |
| |
| ; Not rename Comdat with an alias (an alias is an address-taken user). |
| $f_with_alias = comdat any |
| ; CHECK: $f_with_alias = comdat any |
| define linkonce_odr void @f_with_alias() comdat { |
| ret void |
| } |
| @f_alias = alias void (), ptr @f_with_alias |
| |
| ; Not rename Comdat with right linkage. |
| $nf = comdat any |
| ; CHECK: $nf = comdat any |
| define void @nf() comdat($nf) { |
| ret void |
| } |
| |
| ; Not rename Comdat with variable members. |
| $f_with_var = comdat any |
| ; CHECK: $f_with_var = comdat any |
| @var = global i32 0, comdat($f_with_var) |
| define linkonce_odr void @f_with_var() comdat($f_with_var) { |
| %tmp = load i32, ptr @var, align 4 |
| %inc = add nsw i32 %tmp, 1 |
| store i32 %inc, ptr @var, align 4 |
| ret void |
| } |
| |
| ; Not rename Comdat with multiple functions. |
| $tf = comdat any |
| ; CHECK: $tf = comdat any |
| define linkonce void @tf() comdat($tf) { |
| ret void |
| } |
| define linkonce void @tf2() comdat($tf) { |
| ret void |
| } |
| |
| ; Rename AvailableExternallyLinkage functions |
| ; CHECK-DAG: $aef.[[SINGLEBB_HASH]] = comdat any |
| |
| ; CHECK: @f = weak alias void (), ptr @f.[[SINGLEBB_HASH]] |
| ; CHECK: @aef = weak alias void (), ptr @aef.[[SINGLEBB_HASH]] |
| |
| define available_externally void @aef() { |
| ; CHECK: define linkonce_odr void @aef.[[SINGLEBB_HASH]]() comdat { |
| ret void |
| } |
| |
| |