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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> llvm-svn: 230775
13 lines
355 B
LLVM
13 lines
355 B
LLVM
; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -fast-isel-abort=1 -verify-machineinstrs < %s
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; Test that %1 doesn't get the kill flag set before its last use.
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define i32 @test_trunc(i32 %a) {
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%1 = add i32 %a, 1
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%2 = trunc i32 %1 to i16
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%3 = icmp ult i16 1, %2
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%4 = add i32 %1, 1
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%5 = sext i1 %3 to i32
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%6 = and i32 %4, %5
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ret i32 %6
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}
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