invariant_load_canonicalize_array_baseptrs_3.ll
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; RUN: opt %loadPolly -polly-scops -analyze < %s \
; RUN: -polly-invariant-load-hoisting \
; RUN: | FileCheck %s
; Verify that we canonicalize accesses even tough one of the accesses (even
; the canonical base) has a partial execution context. This is correct as
; the combined execution context still coveres both accesses.
; CHECK: Invariant Accesses: {
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: { Stmt_body2[i0] -> MemRef_A[0] };
; CHECK-NEXT: Execution Context: { : }
; CHECK-NEXT: }
; CHECK: Stmt_body1
; CHECK-NEXT: Domain :=
; CHECK-NEXT: { Stmt_body1[i0] : 0 <= i0 <= 1022 };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: { Stmt_body1[i0] -> [i0, 0] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: { Stmt_body1[i0] -> MemRef_baseB[0] };
; CHECK-NEXT: Stmt_body2
; CHECK-NEXT: Domain :=
; CHECK-NEXT: { Stmt_body2[i0] : 0 <= i0 <= 510 };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: { Stmt_body2[i0] -> [i0, 1] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: { Stmt_body2[i0] -> MemRef_baseB[0] };
define void @foo(float** %A) {
start:
br label %loop
loop:
%indvar = phi i64 [0, %start], [%indvar.next, %latch]
%indvar.next = add nsw i64 %indvar, 1
%icmp = icmp slt i64 %indvar.next, 1024
br i1 %icmp, label %body1, label %exit
body1:
%baseA = load float*, float** %A
store float 42.0, float* %baseA
%cmp = icmp slt i64 %indvar.next, 512
br i1 %cmp, label %body2, label %latch
body2:
%baseB = load float*, float** %A
store float 42.0, float* %baseB
br label %latch
latch:
br label %loop
exit:
ret void
}