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26d628d6ce
Summary: Currently fast-isel-abort will only abort for regular instructions, and just warn for function calls, terminators, function arguments. There is already fast-isel-abort-args but nothing for calls and terminators. This change turns the fast-isel-abort options into an integer option, so that multiple levels of strictness can be defined. This will help no being surprised when the "abort" option indeed does not abort, and enables the possibility to write test that verifies that no intrinsics are forgotten by fast-isel. Reviewers: resistor, echristo Subscribers: jfb, llvm-commits Differential Revision: http://reviews.llvm.org/D7941 From: Mehdi Amini <mehdi.amini@apple.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230775 91177308-0d34-0410-b5e6-96231b3b80d8
123 lines
2.4 KiB
LLVM
123 lines
2.4 KiB
LLVM
; RUN: llc -mtriple=x86_64-none-linux -fast-isel -fast-isel-abort=1 -verify-machineinstrs < %s | FileCheck %s
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; RUN: llc -mtriple=i686-none-linux -fast-isel -fast-isel-abort=1 -verify-machineinstrs < %s | FileCheck %s
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define i8 @test_sdiv8(i8 %dividend, i8 %divisor) nounwind {
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entry:
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%result = sdiv i8 %dividend, %divisor
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ret i8 %result
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}
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; CHECK-LABEL: test_sdiv8:
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; CHECK: movsbw
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; CHECK: idivb
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define i8 @test_srem8(i8 %dividend, i8 %divisor) nounwind {
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entry:
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%result = srem i8 %dividend, %divisor
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ret i8 %result
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}
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; CHECK-LABEL: test_srem8:
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; CHECK: movsbw
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; CHECK: idivb
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define i8 @test_udiv8(i8 %dividend, i8 %divisor) nounwind {
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entry:
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%result = udiv i8 %dividend, %divisor
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ret i8 %result
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}
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; CHECK-LABEL: test_udiv8:
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; CHECK: movzbw
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; CHECK: divb
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define i8 @test_urem8(i8 %dividend, i8 %divisor) nounwind {
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entry:
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%result = urem i8 %dividend, %divisor
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ret i8 %result
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}
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; CHECK-LABEL: test_urem8:
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; CHECK: movzbw
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; CHECK: divb
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define i16 @test_sdiv16(i16 %dividend, i16 %divisor) nounwind {
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entry:
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%result = sdiv i16 %dividend, %divisor
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ret i16 %result
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}
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; CHECK-LABEL: test_sdiv16:
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; CHECK: cwtd
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; CHECK: idivw
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define i16 @test_srem16(i16 %dividend, i16 %divisor) nounwind {
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entry:
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%result = srem i16 %dividend, %divisor
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ret i16 %result
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}
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; CHECK-LABEL: test_srem16:
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; CHECK: cwtd
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; CHECK: idivw
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define i16 @test_udiv16(i16 %dividend, i16 %divisor) nounwind {
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entry:
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%result = udiv i16 %dividend, %divisor
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ret i16 %result
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}
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; CHECK-LABEL: test_udiv16:
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; CHECK: xorl
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; CHECK: divw
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define i16 @test_urem16(i16 %dividend, i16 %divisor) nounwind {
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entry:
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%result = urem i16 %dividend, %divisor
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ret i16 %result
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}
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; CHECK-LABEL: test_urem16:
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; CHECK: xorl
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; CHECK: divw
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define i32 @test_sdiv32(i32 %dividend, i32 %divisor) nounwind {
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entry:
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%result = sdiv i32 %dividend, %divisor
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ret i32 %result
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}
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; CHECK-LABEL: test_sdiv32:
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; CHECK: cltd
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; CHECK: idivl
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define i32 @test_srem32(i32 %dividend, i32 %divisor) nounwind {
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entry:
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%result = srem i32 %dividend, %divisor
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ret i32 %result
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}
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; CHECK-LABEL: test_srem32:
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; CHECK: cltd
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; CHECK: idivl
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define i32 @test_udiv32(i32 %dividend, i32 %divisor) nounwind {
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entry:
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%result = udiv i32 %dividend, %divisor
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ret i32 %result
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}
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; CHECK-LABEL: test_udiv32:
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; CHECK: xorl
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; CHECK: divl
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define i32 @test_urem32(i32 %dividend, i32 %divisor) nounwind {
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entry:
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%result = urem i32 %dividend, %divisor
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ret i32 %result
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}
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; CHECK-LABEL: test_urem32:
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; CHECK: xorl
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; CHECK: divl
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