You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.5 KiB
52 lines
1.5 KiB
; RUN: opt -basicaa -loop-idiom -S < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=R600 --check-prefix=FUNC %s
|
|
; RUN: opt -basicaa -loop-idiom -S < %s -march=amdgcn -mcpu=SI -verify-machineinstrs| FileCheck --check-prefix=SI --check-prefix=FUNC %s
|
|
; RUN: opt -basicaa -loop-idiom -S < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs| FileCheck --check-prefix=SI --check-prefix=FUNC %s
|
|
|
|
|
|
; Make sure loop-idiom doesn't create memcpy or memset. There are no library
|
|
; implementations of these for R600.
|
|
|
|
; FUNC: @no_memcpy
|
|
; R600-NOT: {{^}}llvm.memcpy
|
|
; SI-NOT: {{^}}llvm.memcpy
|
|
define void @no_memcpy(i8 addrspace(3)* %in, i32 %size) {
|
|
entry:
|
|
%dest = alloca i8, i32 32
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%0 = phi i32 [0, %entry], [%4, %for.body]
|
|
%1 = getelementptr i8, i8 addrspace(3)* %in, i32 %0
|
|
%2 = getelementptr i8, i8* %dest, i32 %0
|
|
%3 = load i8, i8 addrspace(3)* %1
|
|
store i8 %3, i8* %2
|
|
%4 = add i32 %0, 1
|
|
%5 = icmp eq i32 %4, %size
|
|
br i1 %5, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
|
|
; FUNC: @no_memset
|
|
; R600-NOT: {{^}}llvm.memset
|
|
; R600-NOT: {{^}}memset_pattern16:
|
|
; SI-NOT: {{^}}llvm.memset
|
|
; SI-NOT: {{^}}memset_pattern16:
|
|
define void @no_memset(i32 %size) {
|
|
entry:
|
|
%dest = alloca i8, i32 32
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%0 = phi i32 [0, %entry], [%2, %for.body]
|
|
%1 = getelementptr i8, i8* %dest, i32 %0
|
|
store i8 0, i8* %1
|
|
%2 = add i32 %0, 1
|
|
%3 = icmp eq i32 %2, %size
|
|
br i1 %3, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|