| ; RUN: opt -S -hotcoldsplit -hotcoldsplit-threshold=0 < %s | FileCheck %s |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.14.0" |
| |
| declare void @sideeffect(i64) |
| |
| declare i8* @realloc(i8* %ptr, i64 %size) |
| |
| declare void @free(i8* %ptr) |
| |
| declare void @sink() cold |
| |
| ; CHECK-LABEL: define {{.*}}@realloc2( |
| ; CHECK: call {{.*}}@sideeffect( |
| ; CHECK: call {{.*}}@realloc( |
| ; CHECK-LABEL: codeRepl: |
| ; CHECK: call {{.*}}@realloc2.cold.1(i64 %size, i8* %ptr, i8** %retval.0.ce.loc) |
| ; CHECK-LABEL: cleanup: |
| ; CHECK-NEXT: phi i8* [ null, %if.then ], [ %call, %if.end ], [ %retval.0.ce.reload, %codeRepl ] |
| define i8* @realloc2(i8* %ptr, i64 %size) { |
| entry: |
| %0 = add i64 %size, -1 |
| %1 = icmp ugt i64 %0, 184549375 |
| br i1 %1, label %if.then, label %if.end |
| |
| if.then: ; preds = %entry |
| call void @sideeffect(i64 %size) |
| br label %cleanup |
| |
| if.end: ; preds = %entry |
| %call = call i8* @realloc(i8* %ptr, i64 %size) |
| %tobool1 = icmp eq i8* %call, null |
| br i1 %tobool1, label %if.then2, label %cleanup |
| |
| if.then2: ; preds = %if.end |
| call void @sideeffect(i64 %size) |
| call void @sink() |
| %tobool3 = icmp eq i8* %ptr, null |
| br i1 %tobool3, label %cleanup, label %if.then4 |
| |
| if.then4: ; preds = %if.then2 |
| call void @free(i8* %ptr) |
| br label %cleanup |
| |
| cleanup: ; preds = %if.end, %if.then4, %if.then2, %if.then |
| %retval.0 = phi i8* [ null, %if.then ], [ null, %if.then2 ], [ null, %if.then4 ], [ %call, %if.end ] |
| ret i8* %retval.0 |
| } |
| |
| ; CHECK-LABEL: define {{.*}}@realloc2.cold.1( |
| ; CHECK: call {{.*}}@sideeffect |
| ; CHECK: call {{.*}}@sink |
| ; CHECK: call {{.*}}@free |
