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TheRock/compiler/amd-llvm/llvm/test/Transforms/Inline/inline-cost-dead-users.ll
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2026-09-02 16:34:47 -07:00

33 lines
950 B
LLVM

; Test to ensure that the inlining cost model isn't tripped up by dead constant users.
; In this case, the call to g via a bitcasted function pointer is canonicalized to
; a direct call to g with bitcasted arguments, leaving the original bitcast
; as a dead use of g.
; RUN: opt < %s -passes='function(instcombine),cgscc(inline)' -pass-remarks=inline -S 2>&1 \
; RUN: | FileCheck %s
; Inline costs of f and g should be the same.
; CHECK: 'f' inlined into 'h' with (cost=[[EXPECTED_COST:.+]], threshold={{.+}})
; CHECK: 'g' inlined into 'h' with (cost=[[EXPECTED_COST]], threshold={{.+}})
%0 = type { i64, i64, i64 }
%1 = type { i64, i64, i64 }
define internal void @f(ptr align 8 %a) unnamed_addr {
start:
ret void
}
define internal void @g(ptr align 8 %a) unnamed_addr {
start:
ret void
}
define void @h(ptr align 8 %a, ptr align 8 %b) unnamed_addr {
start:
call void @f(ptr align 8 %a)
call void @g(ptr align 8 %b)
ret void
}