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45 lines
1.2 KiB
45 lines
1.2 KiB
4 months ago
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; RUN: opt < %s -S -inline | FileCheck %s
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; Make sure that profile and unpredictable metadata is preserved when cloning a select.
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define i32 @callee_with_select(i1 %c, i32 %a, i32 %b) {
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%sel = select i1 %c, i32 %a, i32 %b, !prof !0, !unpredictable !1
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ret i32 %sel
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}
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define i32 @caller_of_select(i1 %C, i32 %A, i32 %B) {
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%ret = call i32 @callee_with_select(i1 %C, i32 %A, i32 %B)
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ret i32 %ret
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; CHECK-LABEL: @caller_of_select(
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; CHECK-NEXT: [[SEL:%.*]] = select i1 %C, i32 %A, i32 %B, !prof !0, !unpredictable !1
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; CHECK-NEXT: ret i32 [[SEL]]
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}
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; Make sure that profile and unpredictable metadata is preserved when cloning a branch.
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define i32 @callee_with_branch(i1 %c) {
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br i1 %c, label %if, label %else, !unpredictable !1, !prof !2
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if:
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ret i32 1
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else:
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ret i32 2
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}
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define i32 @caller_of_branch(i1 %C) {
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%ret = call i32 @callee_with_branch(i1 %C)
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ret i32 %ret
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; CHECK-LABEL: @caller_of_branch(
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; CHECK-NEXT: br i1 %C, label %{{.*}}, label %{{.*}}, !prof !2, !unpredictable !1
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}
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!0 = !{!"branch_weights", i32 1, i32 2}
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!1 = !{}
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!2 = !{!"branch_weights", i32 3, i32 4}
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; CHECK: !0 = !{!"branch_weights", i32 1, i32 2}
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; CHECK: !1 = !{}
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; CHECK: !2 = !{!"branch_weights", i32 3, i32 4}
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