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; RUN: opt %loadPolly -polly-print-scops -polly-invariant-load-hoisting=true -disable-output < %s | FileCheck %s
; RUN: opt %loadPolly -polly-codegen -polly-invariant-load-hoisting=true -S < %s | FileCheck %s --check-prefix=CODEGEN
;
; struct {
; int a;
; float b;
; } S;
;
; void f(int *A) {
; for (int i = 0; i < 1000; i++)
; A[i] = S.a + S.b;
; }
;
; CHECK: Invariant Accesses: {
; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK: { Stmt_for_body[i0] -> MemRef_S[0] };
; CHECK: Execution Context: { : }
; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK: { Stmt_for_body[i0] -> MemRef_S[1] };
; CHECK: Execution Context: { : }
; CHECK: }
;
; CODEGEN: %S.b.preload.s2a = alloca float
; CODEGEN: %S.a.preload.s2a = alloca i32
;
; CODEGEN: %S.load = load i32, ptr @S
; CODEGEN: store i32 %S.load, ptr %S.a.preload.s2a
; CODEGEN: %.load = load float, ptr getelementptr inbounds (i32, ptr @S, i64 1)
; CODEGEN: store float %.load, ptr %S.b.preload.s2a
;
; CODEGEN: polly.stmt.for.body:
; CODEGEN: %p_conv = sitofp i32 %S.load to float
; CODEGEN: %p_add = fadd float %p_conv, %.load
; CODEGEN: %p_conv1 = fptosi float %p_add to i32
%struct.anon = type { i32, float }
@S = common global %struct.anon zeroinitializer, align 4
define void @f(ptr %A) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
%exitcond = icmp ne i64 %indvars.iv, 1000
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%S.a = load i32, ptr @S, align 4
%conv = sitofp i32 %S.a to float
%S.b = load float, ptr getelementptr inbounds (%struct.anon, ptr @S, i64 0, i32 1), align 4
%add = fadd float %conv, %S.b
%conv1 = fptosi float %add to i32
%arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
store i32 %conv1, ptr %arrayidx, align 4
br label %for.inc
for.inc: ; preds = %for.body
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
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