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TheRock/compiler/amd-llvm/polly/test/CodeGen/OpenMP/loop-body-references-outer-iv.ll
derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

44 lines
1.6 KiB
LLVM

; RUN: opt %loadNPMPolly -polly-parallel -polly-parallel-force '-passes=polly-custom<ast>' -polly-print-ast -disable-output < %s | FileCheck %s -check-prefix=AST
; RUN: opt %loadNPMPolly -polly-parallel -polly-parallel-force '-passes=polly<no-default-opts>' -S -verify-dom-info < %s | FileCheck %s -check-prefix=IR
; This code has failed the scev based code generation as the scev in the scop
; contains an AddRecExpr of an outer loop. When generating code, we did not
; properly forward the value of this expression to the subfunction.
; AST: #pragma omp parallel for
; AST: for (int c0 = 0; c0 <= 1023; c0 += 1)
; AST: Stmt_for_j(c0);
; IR: @single_parallel_loop_polly_subfn
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
@A = common global [1024 x float] zeroinitializer, align 16
define void @single_parallel_loop() nounwind {
entry:
br label %for.i
for.i:
%indvar.i = phi i64 [ %indvar.i.next, %for.i.inc], [ 0, %entry ]
br label %for.j
for.j:
%indvar.j = phi i64 [ %indvar.j.next, %for.j], [ 0, %for.i ]
%sum = add i64 %indvar.j, %indvar.i
%scevgep = getelementptr [1024 x float], ptr @A, i64 0, i64 %sum
store float 0.0, ptr %scevgep
%indvar.j.next = add i64 %indvar.j, 1
%exitcond.j = icmp slt i64 %indvar.j.next, 1024
br i1 %exitcond.j, label %for.j, label %for.i.inc
for.i.inc:
fence seq_cst
%indvar.i.next = add i64 %indvar.i, 1
%exitcond.i = icmp ne i64 %indvar.i.next, 1024
br i1 %exitcond.i, label %for.i, label %exit
exit:
ret void
}