partial_write_mapped_scalar_subregion.ll
1.82 KB
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; RUN: opt %loadPolly -polly-import-jscop -polly-import-jscop-postfix=transformed -polly-codegen -S < %s | FileCheck %s
;
; Partial write of a (mapped) scalar in a non-affine subregion.
;
; for (int j = 0; j < n; j += 1) {
;subregion:
; val = 21.0 + 21.0;
; if (undef > undef)
;subregion_true: ;
;
;subregion_exit:
; if (j >= 5)
;user:
; A[0] = val;
; }
define void @partial_write_mapped_scalar_subregion(i32 %n, double* noalias nonnull %A) {
entry:
br label %for
for:
%j = phi i32 [0, %entry], [%j.inc, %inc]
%j.cmp = icmp slt i32 %j, %n
br i1 %j.cmp, label %subregion, label %exit
subregion:
%val = fadd double 21.0, 21.0
%nonaffine.cond = fcmp ogt double undef, undef
br i1 %nonaffine.cond, label %subregion_true, label %subregion_exit
subregion_true:
br label %subregion_exit
subregion_exit:
%if.cond = icmp sgt i32 %j, 5
br i1 %if.cond, label %user, label %inc
user:
store double %val, double* %A
br label %inc
inc:
%j.inc = add nuw nsw i32 %j, 1
br label %for
exit:
br label %return
return:
ret void
}
; CHECK-LABEL: polly.stmt.subregion_exit.exit:
; CHECK-NEXT: %1 = icmp sge i64 %polly.indvar, 5
; CHECK-NEXT: %polly.Stmt_subregion__TO__subregion_exit_Write0.cond = icmp ne i1 %1, false
; CHECK-NEXT: br i1 %polly.Stmt_subregion__TO__subregion_exit_Write0.cond, label %polly.stmt.subregion_exit.exit.Stmt_subregion__TO__subregion_exit_Write0.partial, label %polly.stmt.subregion_exit.exit.cont
; CHECK-LABEL: polly.stmt.subregion_exit.exit.Stmt_subregion__TO__subregion_exit_Write0.partial:
; CHECK-NEXT: %polly.access.A = getelementptr double, double* %A, i64 1
; CHECK-NEXT: store double %p_val, double* %polly.access.A
; CHECK-NEXT: br label %polly.stmt.subregion_exit.exit.cont
; CHECK-LABEL: polly.stmt.subregion_exit.exit.cont: