20 lines
940 B
LLVM
20 lines
940 B
LLVM
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; RUN: opt < %s -adce -S | FileCheck %s
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; RUN: opt < %s -passes=adce -S | FileCheck %s
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; Verify that a call to instrument a constant is deleted.
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@__profc_foo = private global [1 x i64] zeroinitializer, section "__llvm_prf_cnts", align 8
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@__profd_foo = private global { i64, i64, i64*, i8*, i8*, i32, [1 x i16] } { i64 6699318081062747564, i64 0, i64* getelementptr inbounds ([1 x i64], [1 x i64]* @__profc_foo, i32 0, i32 0), i8* bitcast (i32 ()* @foo to i8*), i8* null, i32 1, [1 x i16] [i16 1] }, section "__llvm_prf_data", align 8
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define i32 @foo() {
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; CHECK-NOT: call void @__llvm_profile_instrument_target
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entry:
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tail call void @__llvm_profile_instrument_target(i64 ptrtoint (i32 (i32)* @bar to i64), i8* bitcast ({ i64, i64, i64*, i8*, i8*, i32, [1 x i16] }* @__profd_foo to i8*), i32 0)
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%call = tail call i32 @bar(i32 21)
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ret i32 %call
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}
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declare i32 @bar(i32)
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declare void @__llvm_profile_instrument_target(i64, i8*, i32)
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