llvm-capstone/polly/test/ScopInfo/reduction_multiple_simple_binary.ll
Tobias Grosser f4ee371e60 tests: Drop -polly-detect-unprofitable and -polly-no-early-exit
These flags are now always passed to all tests and need to be disabled if
not needed. Disabling these flags, rather than passing them to almost all
tests, significantly simplfies our RUN: lines.

llvm-svn: 249422
2015-10-06 15:36:44 +00:00

99 lines
3.7 KiB
LLVM

; RUN: opt -basicaa %loadPolly -polly-scops -analyze < %s | FileCheck %s
;
; CHECK: ReadAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_A[1 + i0] };
; CHECK: ReadAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_A[i0] };
; CHECK: MustWriteAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_first[0] };
; CHECK: ReadAccess := [Reduction Type: +
; CHECK: { Stmt_for_body[i0] -> MemRef_sum[0] };
; CHECK: MustWriteAccess := [Reduction Type: +
; CHECK: { Stmt_for_body[i0] -> MemRef_sum[0] };
; CHECK: ReadAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_A[-1 + i0] };
; CHECK: ReadAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_A[i0] };
; CHECK: MustWriteAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_middle[0] };
; CHECK: ReadAccess := [Reduction Type: *
; CHECK: { Stmt_for_body[i0] -> MemRef_prod[0] };
; CHECK: MustWriteAccess := [Reduction Type: *
; CHECK: { Stmt_for_body[i0] -> MemRef_prod[0] };
; CHECK: ReadAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_A[-1 + i0] };
; CHECK: ReadAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_A[1 + i0] };
; CHECK: MustWriteAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_last[0] };
;
; int first, sum, middle, prod, last;
;
; void f(int * restrict A) {
; int i;
; for (int i = 0; i < 100; i++) {
; first = A[i+1] + A[i];
; sum += i * 3;
; middle = A[i-1] + A[i];
; prod *= (i + 3);
; last = A[i-1] + A[i+1];
; }
; }
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
@first = common global i32 0, align 4
@sum = common global i32 0, align 4
@middle = common global i32 0, align 4
@prod = common global i32 0, align 4
@last = common global i32 0, align 4
define void @f(i32* noalias %A) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%i1.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
%exitcond = icmp ne i32 %i1.0, 100
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%add = add nsw i32 %i1.0, 1
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %add
%tmp = load i32, i32* %arrayidx, align 4
%arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %i1.0
%tmp1 = load i32, i32* %arrayidx2, align 4
%add3 = add nsw i32 %tmp, %tmp1
store i32 %add3, i32* @first, align 4
%mul = mul nsw i32 %i1.0, 3
%tmp2 = load i32, i32* @sum, align 4
%add4 = add nsw i32 %tmp2, %mul
store i32 %add4, i32* @sum, align 4
%sub = add nsw i32 %i1.0, -1
%arrayidx5 = getelementptr inbounds i32, i32* %A, i32 %sub
%tmp3 = load i32, i32* %arrayidx5, align 4
%arrayidx6 = getelementptr inbounds i32, i32* %A, i32 %i1.0
%tmp4 = load i32, i32* %arrayidx6, align 4
%add7 = add nsw i32 %tmp3, %tmp4
store i32 %add7, i32* @middle, align 4
%add8 = add nsw i32 %i1.0, 3
%tmp5 = load i32, i32* @prod, align 4
%mul9 = mul nsw i32 %tmp5, %add8
store i32 %mul9, i32* @prod, align 4
%sub10 = add nsw i32 %i1.0, -1
%arrayidx11 = getelementptr inbounds i32, i32* %A, i32 %sub10
%tmp6 = load i32, i32* %arrayidx11, align 4
%add12 = add nsw i32 %i1.0, 1
%arrayidx13 = getelementptr inbounds i32, i32* %A, i32 %add12
%tmp7 = load i32, i32* %arrayidx13, align 4
%add14 = add nsw i32 %tmp6, %tmp7
store i32 %add14, i32* @last, align 4
br label %for.inc
for.inc: ; preds = %for.body
%inc = add nsw i32 %i1.0, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}