| ; RUN: llc -fast-isel -o - %s -fast-isel-report-on-fallback -pass-remarks-missed=isel 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: remark: <unknown>:0:0: FastISel missed call: call void asm sideeffect |
| ; CHECK: warning: Instruction selection used fallback path for foo |
| define void @foo(){ |
| entry: |
| call void asm sideeffect "nop", "~{dirflag},~{fpsr},~{flags}"() |
| ret void |
| } |
| |
| ; CHECK: remark: <unknown>:0:0: FastISel missed: store i128 |
| ; CHECK: warning: Instruction selection used fallback path for test_instruction_fallback |
| define void @test_instruction_fallback(i128* %ptr){ |
| %v1 = load i128, i128* %ptr |
| %result = add i128 %v1, %v1 |
| store i128 %result, i128 * %ptr |
| ret void |
| } |
| |
| ; CHECK-NOT: remark: <unknown>:0:0: FastISel missed |
| ; CHECK-NOT: warning: Instruction selection used fallback path for test_instruction_not_fallback |
| define i32 @test_instruction_not_fallback(i32 %a){ |
| %result = add i32 %a, %a |
| ret i32 %result |
| } |