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22 lines
453 B
LLVM
22 lines
453 B
LLVM
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; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s
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; Checks if movl $1 is sinked to critical edge.
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; CHECK-NOT: movl $1
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; CHECK: jbe
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; CHECK: movl $1
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define i32 @test(i32 %n, i32 %k) nounwind {
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entry:
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%cmp = icmp ugt i32 %k, %n
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br i1 %cmp, label %ifthen, label %ifend, !prof !1
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ifthen:
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%y = add i32 %k, 2
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br label %ifend
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ifend:
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%ret = phi i32 [ 1, %entry ] , [ %y, %ifthen]
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ret i32 %ret
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}
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!1 = !{!"branch_weights", i32 100, i32 1}
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