100 lines
1.8 KiB
LLVM
100 lines
1.8 KiB
LLVM
; RUN: opt < %s -S -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -loop-unroll | FileCheck %s
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define void @unroll_opt_for_size() nounwind optsize {
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entry:
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br label %loop
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loop:
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%iv = phi i32 [ 0, %entry ], [ %inc, %loop ]
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%inc = add i32 %iv, 1
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%exitcnd = icmp uge i32 %inc, 1024
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br i1 %exitcnd, label %exit, label %loop
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exit:
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ret void
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}
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; CHECK-LABEL: @unroll_opt_for_size
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; CHECK: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: icmp
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define void @unroll_default() nounwind {
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entry:
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br label %loop
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loop:
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%iv = phi i32 [ 0, %entry ], [ %inc, %loop ]
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%inc = add i32 %iv, 1
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%exitcnd = icmp uge i32 %inc, 1024
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br i1 %exitcnd, label %exit, label %loop
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exit:
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ret void
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}
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; CHECK-LABEL: @unroll_default
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; CHECK: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: icmp
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