forked from OSchip/llvm-project
59 lines
1.9 KiB
LLVM
59 lines
1.9 KiB
LLVM
; RUN: opt %loadPolly -basicaa -polly-independent -S < %s | FileCheck %s
|
|
; RUN: opt %loadPolly -basicaa -polly-independent -polly-codegen-scev -S < %s | FileCheck %s
|
|
; RUN: opt %loadPolly -basicaa -polly-independent -disable-polly-intra-scop-scalar-to-array -S < %s | FileCheck %s -check-prefix=SCALARACCESS
|
|
; RUN: opt %loadPolly -basicaa -polly-independent -polly-codegen-scev -disable-polly-intra-scop-scalar-to-array -S < %s | FileCheck %s -check-prefix=SCALARACCESS
|
|
|
|
; void f(long A[], int N, int *init_ptr) {
|
|
; long i, j;
|
|
;
|
|
; for (i = 0; i < N; ++i) {
|
|
; init = *init_ptr;
|
|
; for (i = 0; i < N; ++i) {
|
|
; A[i] = init + 2;
|
|
; }
|
|
; }
|
|
; }
|
|
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
define void @f(i64* noalias %A, i64 %N, i64* noalias %init_ptr) nounwind {
|
|
entry:
|
|
|
|
; CHECK: entry
|
|
; CHECK: %init.s2a = alloca i64
|
|
; CHECK: br label %for.i
|
|
|
|
; SCALARACCESS-NOT: alloca
|
|
br label %for.i
|
|
|
|
for.i:
|
|
%indvar.i = phi i64 [ 0, %entry ], [ %indvar.i.next, %for.i.end ]
|
|
%indvar.i.next = add nsw i64 %indvar.i, 1
|
|
br label %entry.next
|
|
|
|
entry.next:
|
|
%init = load i64* %init_ptr
|
|
; SCALARACCESS-NOT: store
|
|
br label %for.j
|
|
|
|
for.j:
|
|
%indvar.j = phi i64 [ 0, %entry.next ], [ %indvar.j.next, %for.j ]
|
|
%init_plus_two = add i64 %init, 2
|
|
; CHECK: %init.loadarray = load i64* %init.s2a
|
|
; CHECK: %init_plus_two = add i64 %init.loadarray, 2
|
|
; SCALARACCESS: %init_plus_two = add i64 %init, 2
|
|
%scevgep = getelementptr i64* %A, i64 %indvar.j
|
|
store i64 %init_plus_two, i64* %scevgep
|
|
%indvar.j.next = add nsw i64 %indvar.j, 1
|
|
%exitcond.j = icmp eq i64 %indvar.j.next, %N
|
|
br i1 %exitcond.j, label %for.i.end, label %for.j
|
|
|
|
for.i.end:
|
|
%exitcond.i = icmp eq i64 %indvar.i.next, %N
|
|
br i1 %exitcond.i, label %return, label %for.i
|
|
|
|
return:
|
|
ret void
|
|
}
|