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comparison test/CodeGen/Thumb/optionaldef-scheduling.ll @ 121:803732b1fca8

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LLVM 5.0
author kono
date Fri, 27 Oct 2017 17:07:41 +0900
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120:1172e4bd9c6f 121:803732b1fca8
1 ; RUN: llc -mtriple=thumb-eabi %s -verify-machineinstrs -o - | FileCheck %s
2 ; RUN: llc -mtriple=thumbv6-eabi %s -verify-machineinstrs -o - | FileCheck %s
3
4 define i1 @test(i64 %arg) {
5 entry:
6 %ispos = icmp sgt i64 %arg, -1
7 %neg = sub i64 0, %arg
8 %sel = select i1 %ispos, i64 %arg, i64 %neg
9 %cmp2 = icmp eq i64 %sel, %arg
10 ret i1 %cmp2
11 }
12
13 ; The scheduler used to ignore OptionalDefs, and could unwittingly insert
14 ; a flag-setting instruction in between an ADDS and the corresponding ADC.
15
16 ; CHECK: adds
17 ; CHECK-NOT: eors
18 ; CHECK: adcs