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29 lines
640 B
29 lines
640 B
; RUN: opt -S -jump-threading < %s | FileCheck %s
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; CHECK-LABEL: @f(
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; CHECK-LABEL: entry:
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; CHECK-NEXT: br label %[[loop:.*]]
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; CHECK: [[loop]]:
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; CHECK-NEXT: br label %[[loop]]
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define void @f() {
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entry:
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br label %for.cond1
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if.end16:
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%phi1 = phi i32 [ undef, %for.cond1 ]
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%g.3 = phi i32 [ %g.1, %for.cond1 ]
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%sext = shl i32 %g.3, 16
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%conv20 = ashr exact i32 %sext, 16
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%tobool21 = icmp eq i32 %phi1, 0
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br i1 %tobool21, label %lor.rhs, label %for.cond1
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for.cond1:
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%g.1 = phi i32 [ 0, %entry ], [ 0, %lor.rhs ], [ %g.3, %if.end16 ]
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br i1 undef, label %lor.rhs, label %if.end16
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lor.rhs:
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br label %for.cond1
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}
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