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TheRock/compiler/amd-llvm/polly/test/ScopInfo/required-invariant-loop-bounds.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

69 lines
2.4 KiB
LLVM

; RUN: opt %loadNPMPolly '-passes=polly-custom<scops>' -polly-print-scops -disable-output -polly-invariant-load-hoisting=true < %s 2>&1 | FileCheck %s
;
; CHECK: Invariant Accesses: {
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: MemRef_bounds[0]
; CHECK-NEXT: Execution Context: [bounds0, bounds1] -> { : }
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: MemRef_bounds[1]
; CHECK-NEXT: Execution Context: [bounds0, bounds1] -> { : }
; CHECK: }
; double A[1000][1000];
; long bounds[2];
;
; void foo() {
;
; for (long i = 0; i <= bounds[0]; i++)
; for (long j = 0; j <= bounds[1]; j++)
; A[i][j] += i + j;
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
@bounds = common global [2 x i64] zeroinitializer, align 16
@A = common global [1000 x [1000 x double]] zeroinitializer, align 16
define void @foo() {
entry:
br label %for.cond
for.cond: ; preds = %for.inc.6, %entry
%i.0 = phi i64 [ 0, %entry ], [ %inc7, %for.inc.6 ]
%bounds0 = load i64, ptr @bounds, align 16
%cmp = icmp sgt i64 %i.0, %bounds0
br i1 %cmp, label %for.end.8, label %for.body
for.body: ; preds = %for.cond
br label %for.cond.1
for.cond.1: ; preds = %for.inc, %for.body
%j.0 = phi i64 [ 0, %for.body ], [ %inc, %for.inc ]
%bounds1 = load i64, ptr getelementptr inbounds ([2 x i64], ptr @bounds, i64 0, i64 1), align 8
%cmp2 = icmp sgt i64 %j.0, %bounds1
br i1 %cmp2, label %for.end, label %for.body.3
for.body.3: ; preds = %for.cond.1
%add = add nsw i64 %i.0, %j.0
%conv = sitofp i64 %add to double
%arrayidx4 = getelementptr inbounds [1000 x [1000 x double]], ptr @A, i64 0, i64 %i.0, i64 %j.0
%tmp2 = load double, ptr %arrayidx4, align 8
%add5 = fadd double %tmp2, %conv
store double %add5, ptr %arrayidx4, align 8
br label %for.inc
for.inc: ; preds = %for.body.3
%inc = add nuw nsw i64 %j.0, 1
br label %for.cond.1
for.end: ; preds = %for.cond.1
br label %for.inc.6
for.inc.6: ; preds = %for.end
%inc7 = add nuw nsw i64 %i.0, 1
br label %for.cond
for.end.8: ; preds = %for.cond
ret void
}