llvm-for-llvmta/test/CodeGen/X86/tailcall-assume.ll

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373 B
LLVM

; RUN: llc -mtriple=x86_64-linux < %s | FileCheck %s
; Intrinsic call to @llvm.assume should not prevent tail call optimization.
; CHECK-LABEL: foo:
; CHECK: jmp bar # TAILCALL
define i8* @foo() {
%1 = tail call i8* @bar()
%2 = icmp ne i8* %1, null
tail call void @llvm.assume(i1 %2)
ret i8* %1
}
declare dso_local i8* @bar()
declare void @llvm.assume(i1)