licm_store.ll
1.63 KB
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; RUN: opt %loadPolly -basicaa -loop-rotate -indvars -polly-prepare -polly-scops -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -basicaa -loop-rotate -indvars -licm -polly-prepare -polly-scops -analyze < %s | FileCheck %s
;
; XFAIL: *
;
; void foo(float *restrict A, float *restrict B, long j) {
; for (long i = 0; i < 100; i++)
; A[j] = B[i];
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @foo(float* noalias %A, float* noalias %B, i64 %j) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%i.0 = phi i64 [ 0, %entry ], [ %inc, %for.inc ]
%exitcond = icmp ne i64 %i.0, 100
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%arrayidx = getelementptr inbounds float, float* %B, i64 %i.0
%tmp = bitcast float* %arrayidx to i32*
%tmp1 = load i32, i32* %tmp, align 4
%arrayidx1 = getelementptr inbounds float, float* %A, i64 %j
%tmp2 = bitcast float* %arrayidx1 to i32*
store i32 %tmp1, i32* %tmp2, align 4
br label %for.inc
for.inc: ; preds = %for.body
%inc = add nuw nsw i64 %i.0, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
; CHECK: Statements {
; CHECK: Stmt_for_body
; CHECK-DAG: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [j] -> { Stmt_for_body[i0] -> MemRef_B[i0] };
; CHECK-DAG: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [j] -> { Stmt_for_body[i0] -> MemRef_A[j] };
; CHECK: }