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29 lines
565 B
LLVM
29 lines
565 B
LLVM
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; RUN: opt -debug-only=branch-prob -jump-threading -S %s 2>&1 | FileCheck %s
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; REQUIRES: asserts
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; Make sure that we clear edge probabilities for bb1 as we fold
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; the conditional branch in it.
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; CHECK: eraseBlock bb1
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define void @foo(i32 %i, i32 %len) !prof !0 {
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; CHECK-LABEL: @foo
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%i.inc = add nuw i32 %i, 1
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%c0 = icmp ult i32 %i.inc, %len
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br i1 %c0, label %bb1, label %bb2
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bb1:
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; CHECK: bb1:
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%c1 = icmp ult i32 %i, %len
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br i1 %c1, label %bb2, label %bb3
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bb2:
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ret void
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bb3:
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; CHECK-NOT: bb3:
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ret void
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}
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!0 = !{!"function_entry_count", i64 0}
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