forked from OSchip/llvm-project
92 lines
2.3 KiB
LLVM
92 lines
2.3 KiB
LLVM
; RUN: opt -S -callsite-splitting -callsite-splitting-duplication-threshold=100000000 < %s | FileCheck -enable-var-scope %s
|
|
; RUN: opt -S -callsite-splitting -callsite-splitting-duplication-threshold=100000000 < %s | FileCheck -enable-var-scope %s
|
|
|
|
; Noduplicate calls should not be duplicated
|
|
; CHECK-LABEL: define void @noduplicate_caller(
|
|
; CHECK: call void @noduplicate_callee(
|
|
; CHECK-NOT: call void @noduplicate_callee(
|
|
define void @noduplicate_caller(i1 %c, i8* %a_elt, i8* %b_elt) #0 {
|
|
entry:
|
|
br label %Top
|
|
|
|
Top:
|
|
%tobool1 = icmp eq i8* %a_elt, null
|
|
br i1 %tobool1, label %CallSiteBB, label %NextCond
|
|
|
|
NextCond:
|
|
%cmp = icmp ne i8* %b_elt, null
|
|
br i1 %cmp, label %CallSiteBB, label %End
|
|
|
|
CallSiteBB:
|
|
%p = phi i1 [ false, %Top ], [ %c, %NextCond ]
|
|
call void @noduplicate_callee(i8* %a_elt, i1 %p)
|
|
br label %End
|
|
|
|
End:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: define void @noduplicate_callee(
|
|
; CHECK: call void @noduplicate_external(
|
|
; CHECK-NOT: call void @noduplicate_external(
|
|
define void @noduplicate_callee(i8* %a_elt, i1 %c) #0 {
|
|
entry:
|
|
%tobool = icmp ne i8* %a_elt, null
|
|
br i1 %tobool, label %then, label %endif
|
|
|
|
then:
|
|
br label %endif
|
|
|
|
endif:
|
|
call void @noduplicate_external(i8* %a_elt) #0
|
|
ret void
|
|
}
|
|
|
|
; Make sure an otherwise identical function is transformed
|
|
; CHECK-LABEL: define void @reference_caller(
|
|
; CHECK: call void @nonnoduplicate_callee(
|
|
; CHECK: call void @nonnoduplicate_callee(
|
|
define void @reference_caller(i1 %c, i8* %a_elt, i8* %b_elt) #1 {
|
|
entry:
|
|
br label %Top
|
|
|
|
Top:
|
|
%tobool1 = icmp eq i8* %a_elt, null
|
|
br i1 %tobool1, label %CallSiteBB, label %NextCond
|
|
|
|
NextCond:
|
|
%cmp = icmp ne i8* %b_elt, null
|
|
br i1 %cmp, label %CallSiteBB, label %End
|
|
|
|
CallSiteBB:
|
|
%p = phi i1 [ false, %Top ], [ %c, %NextCond ]
|
|
call void @nonnoduplicate_callee(i8* %a_elt, i1 %p)
|
|
br label %End
|
|
|
|
End:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: define void @nonnoduplicate_callee(
|
|
; CHECK: call void @nonnoduplicate_external(
|
|
; CHECK-NOT: call void @nonnoduplicate_external(
|
|
define void @nonnoduplicate_callee(i8* %a_elt, i1 %c) #1 {
|
|
entry:
|
|
%tobool = icmp ne i8* %a_elt, null
|
|
br i1 %tobool, label %then, label %endif
|
|
|
|
then:
|
|
br label %endif
|
|
|
|
endif:
|
|
call void @nonnoduplicate_external(i8* %a_elt)
|
|
ret void
|
|
}
|
|
|
|
declare void @noduplicate_external(i8*) #0
|
|
declare void @nonnoduplicate_external(i8*) #1
|
|
|
|
attributes #0 = { noduplicate nounwind }
|
|
attributes #1 = { nounwind }
|
|
|