forked from OSchip/llvm-project
51 lines
1.2 KiB
LLVM
51 lines
1.2 KiB
LLVM
; RUN: opt %loadPolly -polly-ast -analyze < %s | FileCheck %s
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; CHECK: {
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; CHECK-NEXT: if (p <= -1 || p >= 1)
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; CHECK-NEXT: Stmt_preheader();
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; CHECK-NEXT: for (int c0 = 0; c0 < 2 * p; c0 += 1)
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; CHECK-NEXT: Stmt_loop(c0);
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; CHECK-NEXT: if (p <= -1) {
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; CHECK-NEXT: for (int c0 = 0; c0 <= 2 * p + 255; c0 += 1)
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; CHECK-NEXT: Stmt_loop(c0);
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; CHECK-NEXT: } else if (p == 0) {
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; CHECK-NEXT: Stmt_side();
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; CHECK-NEXT: }
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; CHECK-NEXT: }
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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define void @zot(float* %A, i32 %arg) {
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bb:
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%p = ashr i32 %arg, 25
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%tmpEven = shl nsw i32 %p, 1
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%tmp3 = and i32 %tmpEven, 254
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br label %cond
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cond:
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%tmpEvenTrunc = trunc i32 %tmpEven to i8
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%br.cmp = icmp eq i8 %tmpEvenTrunc, 0
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br i1 %br.cmp, label %side, label %preheader
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preheader:
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store float 1.0, float* %A
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br label %loop
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loop:
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%indvar = phi i32 [ %indvar.next, %loop ], [ 1, %preheader ]
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store float 1.0, float* %A
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%indvar.next = add nuw nsw i32 %indvar, 1
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%cmp = icmp eq i32 %indvar, %tmp3
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br i1 %cmp, label %exit, label %loop
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side:
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store float 1.0, float* %A
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br label %ret
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exit:
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br label %ret
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ret:
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ret void
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}
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