llvm-6502/test/CodeGen/ARM/fast-isel-select.ll
Derek Schuff ed788b6283 Fix ARM FastISel tests, as a first step to enabling ARM FastISel
ARM FastISel is currently only enabled for iOS non-Thumb1, and I'm working on
enabling it for other targets. As a first step I've fixed some of the tests.
Changes to ARM FastISel tests:
- Different triples don't generate the same relocations (especially
  movw/movt versus constant pool loads). Use a regex to allow either.
- Mangling is different. Use a regex to allow either.
- The reserved registers are sometimes different, so registers get
  allocated in a different order. Capture the names only where this
  occurs.
- Add -verify-machineinstrs to some tests where it works. It doesn't
  work everywhere it should yet.
- Add -fast-isel-abort to many tests that didn't have it before.
- Split out the VarArg test from fast-isel-call.ll into its own
  test. This simplifies test setup because of --check-prefix.

Patch by JF Bastien

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181801 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-14 16:26:38 +00:00

100 lines
2.3 KiB
LLVM

; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
define i32 @t1(i1 %c) nounwind readnone {
entry:
; ARM: t1
; ARM: movw r{{[1-9]}}, #10
; ARM: cmp r0, #0
; ARM: moveq r{{[1-9]}}, #20
; ARM: mov r0, r{{[1-9]}}
; THUMB: t1
; THUMB: movs r{{[1-9]}}, #10
; THUMB: movt r{{[1-9]}}, #0
; THUMB: cmp r0, #0
; THUMB: it eq
; THUMB: moveq r{{[1-9]}}, #20
; THUMB: mov r0, r{{[1-9]}}
%0 = select i1 %c, i32 10, i32 20
ret i32 %0
}
define i32 @t2(i1 %c, i32 %a) nounwind readnone {
entry:
; ARM: t2
; ARM: cmp r0, #0
; ARM: moveq r{{[1-9]}}, #20
; ARM: mov r0, r{{[1-9]}}
; THUMB: t2
; THUMB: cmp r0, #0
; THUMB: it eq
; THUMB: moveq r{{[1-9]}}, #20
; THUMB: mov r0, r{{[1-9]}}
%0 = select i1 %c, i32 %a, i32 20
ret i32 %0
}
define i32 @t3(i1 %c, i32 %a, i32 %b) nounwind readnone {
entry:
; ARM: t3
; ARM: cmp r0, #0
; ARM: movne r{{[1-9]}}, r{{[1-9]}}
; ARM: mov r0, r{{[1-9]}}
; THUMB: t3
; THUMB: cmp r0, #0
; THUMB: it ne
; THUMB: movne r{{[1-9]}}, r{{[1-9]}}
; THUMB: mov r0, r{{[1-9]}}
%0 = select i1 %c, i32 %a, i32 %b
ret i32 %0
}
define i32 @t4(i1 %c) nounwind readnone {
entry:
; ARM: t4
; ARM: mvn r{{[1-9]}}, #9
; ARM: cmp r0, #0
; ARM: mvneq r{{[1-9]}}, #0
; ARM: mov r0, r{{[1-9]}}
; THUMB: t4
; THUMB: movw r{{[1-9]}}, #65526
; THUMB: movt r{{[1-9]}}, #65535
; THUMB: cmp r0, #0
; THUMB: it eq
; THUMB: mvneq r{{[1-9]}}, #0
; THUMB: mov r0, r{{[1-9]}}
%0 = select i1 %c, i32 -10, i32 -1
ret i32 %0
}
define i32 @t5(i1 %c, i32 %a) nounwind readnone {
entry:
; ARM: t5
; ARM: cmp r0, #0
; ARM: mvneq r{{[1-9]}}, #1
; ARM: mov r0, r{{[1-9]}}
; THUMB: t5
; THUMB: cmp r0, #0
; THUMB: it eq
; THUMB: mvneq r{{[1-9]}}, #1
; THUMB: mov r0, r{{[1-9]}}
%0 = select i1 %c, i32 %a, i32 -2
ret i32 %0
}
; Check one large negative immediates.
define i32 @t6(i1 %c, i32 %a) nounwind readnone {
entry:
; ARM: t6
; ARM: cmp r0, #0
; ARM: mvneq r{{[1-9]}}, #978944
; ARM: mov r0, r{{[1-9]}}
; THUMB: t6
; THUMB: cmp r0, #0
; THUMB: it eq
; THUMB: mvneq r{{[1-9]}}, #978944
; THUMB: mov r0, r{{[1-9]}}
%0 = select i1 %c, i32 %a, i32 -978945
ret i32 %0
}