32 lines
1.3 KiB
LLVM
32 lines
1.3 KiB
LLVM
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; RUN: llc -fast-isel -o - %s -fast-isel-report-on-fallback -pass-remarks-missed=isel 2>&1 | FileCheck %s
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; Make sure FastISel report a warming when we asked it to do so.
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; Note: This test needs to use whatever is not supported by FastISel.
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; Thus, this test may fail because inline asm gets supported in FastISel.
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; To fix this, use something else that's not supported (e.g., weird types).
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx"
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; CHECK: remark: <unknown>:0:0: FastISel missed call: call void asm sideeffect
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; CHECK: warning: Instruction selection used fallback path for foo
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define void @foo(){
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entry:
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call void asm sideeffect "nop", "~{dirflag},~{fpsr},~{flags}"()
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ret void
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}
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; CHECK: remark: <unknown>:0:0: FastISel missed: store i128
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; CHECK: warning: Instruction selection used fallback path for test_instruction_fallback
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define void @test_instruction_fallback(i128* %ptr){
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%v1 = load i128, i128* %ptr
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%result = add i128 %v1, %v1
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store i128 %result, i128 * %ptr
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ret void
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}
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; CHECK-NOT: remark: <unknown>:0:0: FastISel missed
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; CHECK-NOT: warning: Instruction selection used fallback path for test_instruction_not_fallback
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define i32 @test_instruction_not_fallback(i32 %a){
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%result = add i32 %a, %a
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ret i32 %result
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}
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