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linux-packaging-mono/external/llvm/test/CodeGen/Thumb/optionaldef-scheduling.ll
Xamarin Public Jenkins (auto-signing) f32dbaf0b2 Imported Upstream version 5.18.0.225
Former-commit-id: 10196d987d5fc5564b9d3b33b1fdf13190f4d0b5
2018-12-21 19:01:49 +00:00

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LLVM

; RUN: llc -mtriple=thumb-eabi %s -verify-machineinstrs -o - | FileCheck %s
; RUN: llc -mtriple=thumbv6-eabi %s -verify-machineinstrs -o - | FileCheck %s
define i1 @test(i64 %arg) {
entry:
%ispos = icmp sgt i64 %arg, -1
%neg = sub i64 0, %arg
%sel = select i1 %ispos, i64 %arg, i64 %neg
%cmp2 = icmp eq i64 %sel, %arg
ret i1 %cmp2
}
; The scheduler used to ignore OptionalDefs, and could unwittingly insert
; a flag-setting instruction in between an ADDS and the corresponding ADC.
; CHECK: adds
; CHECK-NOT: eors
; CHECK: adcs