llvm-project/llvm/test/CodeGen/X86/fast-isel-abort-warm.ll

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; RUN: llc -fast-isel -o - %s -fast-isel-report-on-fallback 2>&1 | FileCheck %s
; Make sure FastISel report a warming when we asked it to do so.
; Note: This test needs to use whatever is not supported by FastISel.
; Thus, this test may fail because inline asm gets supported in FastISel.
; To fix this, use something else that's not supported (e.g., weird types).
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx"
; CHECK: warning: Instruction selection used fallback path for foo
define void @foo(){
entry:
call void asm sideeffect "nop", "~{dirflag},~{fpsr},~{flags}"()
ret void
}