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TheRock/compiler/amd-llvm/polly/test/ScopInfo/non-precise-inv-load-2.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

50 lines
1.7 KiB
LLVM

; RUN: opt %loadNPMPolly '-passes=polly-custom<scops>' -polly-print-scops -polly-invariant-load-hoisting=true -disable-output < %s 2>&1 | FileCheck %s
;
;
; CHECK: Invariant Accesses: {
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [c] -> { Stmt_for_body[i0] -> MemRef_I[-1 + c] };
; CHECK-NEXT: Execution Context: [c] -> { : c > 0 }
; CHECK-NEXT: }
; CHECK-NEXT: Context:
; CHECK-NEXT: [c] -> { : -128 <= c <= 127 }
; CHECK-NEXT: Assumed Context:
; CHECK-NEXT: [c] -> { : }
; CHECK-NEXT: Invalid Context:
; CHECK-NEXT: [c] -> { : c <= 0 }
;
; void f(int *A, int *I, unsigned char c) {
; for (int i = 0; i < 10; i++)
; A[i] += I[c - (char)1];
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(ptr %A, ptr %I, i8 zeroext %c) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
%exitcond = icmp ne i64 %indvars.iv, 10
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%sub = add i8 %c, -1
%conv = zext i8 %sub to i64
%arrayidx = getelementptr inbounds i32, ptr %I, i64 %conv
%tmp = load i32, ptr %arrayidx, align 4
%arrayidx2 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
%tmp1 = load i32, ptr %arrayidx2, align 4
%add = add nsw i32 %tmp1, %tmp
store i32 %add, ptr %arrayidx2, align 4
br label %for.inc
for.inc: ; preds = %for.body
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}