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30 lines
1.1 KiB
LLVM
30 lines
1.1 KiB
LLVM
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
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; PRED_SET* instructions must be tied to any instruction that uses their
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; result. This tests that there are no instructions between the PRED_SET*
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; and the PREDICATE_BREAK in this loop.
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; CHECK: @loop_ge
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; CHECK: LOOP_START_DX10
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; CHECK: ALU_PUSH_BEFORE
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; CHECK-NEXT: JUMP
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; CHECK-NEXT: LOOP_BREAK
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define void @loop_ge(i32 addrspace(1)* nocapture %out, i32 %iterations) nounwind {
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entry:
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%cmp5 = icmp sgt i32 %iterations, 0
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br i1 %cmp5, label %for.body, label %for.end
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for.body: ; preds = %for.body, %entry
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%i.07.in = phi i32 [ %i.07, %for.body ], [ %iterations, %entry ]
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%ai.06 = phi i32 [ %add, %for.body ], [ 0, %entry ]
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%i.07 = add nsw i32 %i.07.in, -1
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%arrayidx = getelementptr inbounds i32 addrspace(1)* %out, i32 %ai.06
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store i32 %i.07, i32 addrspace(1)* %arrayidx, align 4
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%add = add nsw i32 %ai.06, 1
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%exitcond = icmp eq i32 %add, %iterations
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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ret void
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}
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