forked from OSchip/llvm-project
54 lines
1.6 KiB
LLVM
54 lines
1.6 KiB
LLVM
; RUN: opt -S -instcombine < %s | FileCheck %s
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; Check that instcombine preserves !prof metadata when removing function
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; prototype casts.
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declare i32 @__gxx_personality_v0(...)
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declare void @__cxa_call_unexpected(i8*)
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declare void @foo(i16* %a)
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; CHECK-LABEL: @test_call()
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; CHECK: call void @foo(i16* null), !prof ![[PROF:[0-9]+]]
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define void @test_call() {
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call void bitcast (void (i16*)* @foo to void (i8*)*) (i8* null), !prof !0
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ret void
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}
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; CHECK-LABEL: @test_invoke()
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; CHECK: invoke void @foo(i16* null)
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; CHECK-NEXT: to label %done unwind label %lpad, !prof ![[PROF]]
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define void @test_invoke() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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invoke void bitcast (void (i16*)* @foo to void (i8*)*) (i8* null)
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to label %done unwind label %lpad, !prof !0
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done:
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ret void
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lpad:
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%lp = landingpad { i8*, i32 }
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filter [0 x i8*] zeroinitializer
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%ehptr = extractvalue { i8*, i32 } %lp, 0
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tail call void @__cxa_call_unexpected(i8* %ehptr) noreturn nounwind
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unreachable
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}
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; CHECK: ![[PROF]] = !{!"branch_weights", i32 2000}
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!0 = !{!"VP", i32 0, i64 2000, i64 -3913987384944532146, i64 2000}
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!llvm.module.flags = !{!1}
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!1 = !{i32 1, !"ProfileSummary", !2}
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!2 = !{!3, !4, !5, !6, !7, !8, !9, !10}
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!3 = !{!"ProfileFormat", !"InstrProf"}
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!4 = !{!"TotalCount", i64 10000}
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!5 = !{!"MaxCount", i64 1000}
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!6 = !{!"MaxInternalCount", i64 1}
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!7 = !{!"MaxFunctionCount", i64 1000}
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!8 = !{!"NumCounts", i64 3}
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!9 = !{!"NumFunctions", i64 3}
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!10 = !{!"DetailedSummary", !11}
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!11 = !{!12, !13, !14}
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!12 = !{i32 10000, i64 1000, i32 1}
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!13 = !{i32 999000, i64 1000, i32 1}
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!14 = !{i32 999999, i64 1, i32 2}
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