1; RUN: opt -passes=deadargelim -S < %s | FileCheck %s 2; PR36441 3; Dead arguments should not be removed in presence of `musttail` calls. 4 5; CHECK-LABEL: define internal void @test(i32 %a, i32 %b) 6; CHECK: musttail call void @foo(i32 %a, i32 0) 7; FIXME: we should replace those with `undef`s 8define internal void @test(i32 %a, i32 %b) { 9 musttail call void @foo(i32 %a, i32 0) 10 ret void 11} 12 13; CHECK-LABEL: define internal void @foo(i32 %a, i32 %b) 14define internal void @foo(i32 %a, i32 %b) { 15 ret void 16} 17