linux-packaging-mono/external/llvm/test/CodeGen/Thumb/optionaldef-scheduling.ll
Xamarin Public Jenkins (auto-signing) 8625704ad8 Imported Upstream version 5.18.0.179
Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215
2018-10-25 08:34:57 +00:00

19 lines
541 B
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