llvm-project/llvm/test/CodeGen/ARM/fast-isel-mvn.ll

94 lines
2.3 KiB
LLVM

; RUN: llc -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -arm-use-movt=false -mtriple=armv7-apple-ios < %s | FileCheck %s --check-prefix=CHECK --check-prefix=ARM
; RUN: llc -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -arm-use-movt=false -mtriple=armv7-linux-gnueabi < %s | FileCheck %s --check-prefix=CHECK --check-prefix=ARM
; RUN: llc -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -arm-use-movt=false -mtriple=thumbv7-apple-ios < %s | FileCheck %s --check-prefix=CHECK --check-prefix=ARM
; RUN: llc -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -arm-use-movt=true -mtriple=thumbv7-apple-ios < %s | FileCheck %s --check-prefix=CHECK --check-prefix=THUMB
; RUN: llc -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -arm-use-movt=true -mtriple=armv7-apple-ios < %s | FileCheck %s --check-prefix=MOVT
; rdar://10412592
define void @t1() nounwind {
entry:
; CHECK-LABEL: t1
; CHECK: mvn r0, #0
call void @foo(i32 -1)
ret void
}
declare void @foo(i32)
define void @t2() nounwind {
entry:
; CHECK-LABEL: t2
; CHECK: mvn r0, #233
call void @foo(i32 -234)
ret void
}
define void @t3() nounwind {
entry:
; CHECK-LABEL: t3
; CHECK: mvn r0, #256
call void @foo(i32 -257)
ret void
}
; Load from constant pool
define void @t4() nounwind {
entry:
; ARM-LABEL: t4
; ARM: ldr r0
; THUMB-LABEL: t4
; THUMB: movw r0, #65278
; THUMB: movt r0, #65535
call void @foo(i32 -258)
ret void
}
define void @t5() nounwind {
entry:
; CHECK-LABEL: t5
; CHECK: mvn r0, #65280
call void @foo(i32 -65281)
ret void
}
define void @t6() nounwind {
entry:
; CHECK-LABEL: t6
; CHECK: mvn r0, #978944
call void @foo(i32 -978945)
ret void
}
define void @t7() nounwind {
entry:
; CHECK-LABEL: t7
; CHECK: mvn r0, #267386880
call void @foo(i32 -267386881)
ret void
}
define void @t8() nounwind {
entry:
; CHECK-LABEL: t8
; CHECK: mvn r0, #65280
call void @foo(i32 -65281)
ret void
}
define void @t9() nounwind {
entry:
; CHECK-LABEL: t9
; CHECK: mvn r0, #2130706432
call void @foo(i32 -2130706433)
ret void
}
; Load from constant pool.
define i32 @t10(i32 %a) {
; MOVT-LABEL: t10
; MOVT: ldr
%1 = xor i32 -1998730207, %a
ret i32 %1
}