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TheRock/compiler/amd-llvm/polly/test/CodeGen/non-affine-region-phi-references-in-scop-value.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

62 lines
2.1 KiB
LLVM

; RUN: opt %loadNPMPolly '-passes=polly<no-default-opts>' -polly-allow-nonaffine-loops -S < %s | FileCheck %s
; This test verifies that values defined in another scop statement and used by
; PHI-nodes in non-affine regions are code generated correctly.
; CHECK: polly.stmt.bb3.entry:
; CHECK-NEXT: %j.0.phiops.reload = load i64, ptr %j.0.phiops
; CHECK-NEXT: br label %polly.stmt.bb3
; CHECK: polly.stmt.bb3:
; CHECK-NEXT: %polly.subregion.iv = phi i32 [ %polly.subregion.iv.inc, %polly.stmt.bb9 ], [ 0, %polly.stmt.bb3.entry ]
; CHECK-NEXT: %polly.j.0 = phi i64 [ %j.0.phiops.reload, %polly.stmt.bb3.entry ], [ %p_tmp10, %polly.stmt.bb9 ]
; void foo(long A[], float B[], long *x) {
; for (long i = 0; i < 1024; i++)
; for (long j = *x; j < i * i; j++)
; B[42]++;
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @foo(ptr %A, ptr %B, ptr %xptr) {
bb:
br label %bb1
bb1: ; preds = %bb12, %bb
%i.0 = phi i64 [ 0, %bb ], [ %tmp13, %bb12 ]
%exitcond = icmp ne i64 %i.0, 1024
br i1 %exitcond, label %bb2, label %bb14
bb2: ; preds = %bb1
%x = load i64, ptr %xptr
br label %bb3
bb3: ; preds = %bb9, %bb2
%j.0 = phi i64 [ %x, %bb2 ], [ %tmp10, %bb9 ]
%tmp = mul nsw i64 %i.0, %i.0
%tmp4 = icmp slt i64 %j.0, %tmp
br i1 %tmp4, label %bb5, label %bb11
bb5: ; preds = %bb3
%tmp6 = getelementptr inbounds float, ptr %B, i64 42
%tmp7 = load float, ptr %tmp6, align 4
%tmp8 = fadd float %tmp7, 1.000000e+00
store float %tmp8, ptr %tmp6, align 4
br label %bb9
bb9: ; preds = %bb5
%tmp10 = add nuw nsw i64 %j.0, 1
br label %bb3
bb11: ; preds = %bb3
br label %bb12
bb12: ; preds = %bb11
%tmp13 = add nuw nsw i64 %i.0, 1
br label %bb1
bb14: ; preds = %bb1
ret void
}