llvm-for-llvmta/test/Transforms/DeadArgElim/musttail-caller.ll

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2022-04-25 10:02:23 +02:00
; RUN: opt -deadargelim -S < %s | FileCheck %s
; PR36441
; Dead arguments should not be removed in presence of `musttail` calls.
; CHECK-LABEL: define internal void @test(i32 %a, i32 %b)
; CHECK: musttail call void @foo(i32 %a, i32 0)
; FIXME: we should replace those with `undef`s
define internal void @test(i32 %a, i32 %b) {
musttail call void @foo(i32 %a, i32 0)
ret void
}
; CHECK-LABEL: define internal void @foo(i32 %a, i32 %b)
define internal void @foo(i32 %a, i32 %b) {
ret void
}