mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-13 20:32:21 +00:00
c1be92f3bb
does normal initialization and normal chaining. Change the default AliasAnalysis implementation to NoAlias. Update StandardCompileOpts.h and friends to explicitly request BasicAliasAnalysis. Update tests to explicitly request -basicaa. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116720 91177308-0d34-0410-b5e6-96231b3b80d8
111 lines
2.8 KiB
LLVM
111 lines
2.8 KiB
LLVM
; RUN: opt < %s -analyze -basicaa -lda | FileCheck %s
|
|
|
|
@x = common global [256 x i32] zeroinitializer, align 4
|
|
@y = common global [256 x i32] zeroinitializer, align 4
|
|
|
|
;; for (i = 0; i < 256; i++)
|
|
;; x[i] = x[i] + y[i]
|
|
|
|
define void @f1(...) nounwind {
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%i = phi i64 [ 0, %entry ], [ %i.next, %for.body ]
|
|
%y.addr = getelementptr [256 x i32]* @y, i64 0, i64 %i
|
|
%x.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i
|
|
%x = load i32* %x.addr ; 0
|
|
%y = load i32* %y.addr ; 1
|
|
%r = add i32 %y, %x
|
|
store i32 %r, i32* %x.addr ; 2
|
|
; CHECK: 0,2: dep
|
|
; CHECK: 1,2: ind
|
|
%i.next = add i64 %i, 1
|
|
%exitcond = icmp eq i64 %i.next, 256
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
|
|
;; for (i = 0; i < 256; i++)
|
|
;; x[i+1] = x[i] + y[i]
|
|
|
|
define void @f2(...) nounwind {
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%i = phi i64 [ 0, %entry ], [ %i.next, %for.body ]
|
|
%y.ld.addr = getelementptr [256 x i32]* @y, i64 0, i64 %i
|
|
%x.ld.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i
|
|
%i.next = add i64 %i, 1
|
|
%x.st.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i.next
|
|
%x = load i32* %x.ld.addr ; 0
|
|
%y = load i32* %y.ld.addr ; 1
|
|
%r = add i32 %y, %x
|
|
store i32 %r, i32* %x.st.addr ; 2
|
|
; CHECK: 0,2: dep
|
|
; CHECK: 1,2: ind
|
|
%exitcond = icmp eq i64 %i.next, 256
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
|
|
;; for (i = 0; i < 10; i++)
|
|
;; x[i+20] = x[i] + y[i]
|
|
|
|
define void @f3(...) nounwind {
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%i = phi i64 [ 0, %entry ], [ %i.next, %for.body ]
|
|
%y.ld.addr = getelementptr [256 x i32]* @y, i64 0, i64 %i
|
|
%x.ld.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i
|
|
%i.20 = add i64 %i, 20
|
|
%x.st.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i.20
|
|
%x = load i32* %x.ld.addr ; 0
|
|
%y = load i32* %y.ld.addr ; 1
|
|
%r = add i32 %y, %x
|
|
store i32 %r, i32* %x.st.addr ; 2
|
|
; CHECK: 0,2: dep
|
|
; CHECK: 1,2: ind
|
|
%i.next = add i64 %i, 1
|
|
%exitcond = icmp eq i64 %i.next, 10
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
|
|
;; for (i = 0; i < 10; i++)
|
|
;; x[10*i+1] = x[10*i] + y[i]
|
|
|
|
define void @f4(...) nounwind {
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%i = phi i64 [ 0, %entry ], [ %i.next, %for.body ]
|
|
%i.10 = mul i64 %i, 10
|
|
%y.ld.addr = getelementptr [256 x i32]* @y, i64 0, i64 %i.10
|
|
%x.ld.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i.10
|
|
%i.10.1 = add i64 %i.10, 1
|
|
%x.st.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i.10.1
|
|
%x = load i32* %x.ld.addr ; 0
|
|
%y = load i32* %y.ld.addr ; 1
|
|
%r = add i32 %y, %x
|
|
store i32 %r, i32* %x.st.addr ; 2
|
|
; CHECK: 0,2: dep
|
|
; CHECK: 1,2: ind
|
|
%i.next = add i64 %i, 1
|
|
%exitcond = icmp eq i64 %i.next, 10
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|