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7f992f45da
llvm-mirror/test/CodeGen/ARM/fast-isel-intrinsic.ll
Jim Grosbach 7f992f45da ARM: Clean up fast-isel machine verifier errors. 
Lots of machine verifier errors result from using a plain GPR regclass
for incoming argument copies. A more restrictive rGPR class is more
appropriate since it more accurately represents what's happening, plus
it lines up better with isel later on so the verifier is happier.
Reduces the number of ARM fast-isel tests not running with the verifier
enabled by over half.

rdar://12594152

llvm-svn: 188592
2013-08-16 23:37:23 +00:00

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9.4 KiB
LLVM
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; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=ARM
; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi -verify-machineinstrs | 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
; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios -arm-long-calls -verify-machineinstrs | FileCheck %s --check-prefix=ARM-LONG
; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi -arm-long-calls -verify-machineinstrs | FileCheck %s --check-prefix=ARM-LONG
; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -arm-long-calls | FileCheck %s --check-prefix=THUMB-LONG
; Note that some of these tests assume that relocations are either
; movw/movt or constant pool loads. Different platforms will select
; different approaches.
@message1 = global [60 x i8] c"The LLVM Compiler Infrastructure\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00", align 1
@temp = common global [60 x i8] zeroinitializer, align 1
define void @t1() nounwind ssp {
; ARM: t1
; ARM: {{(movw r0, :lower16:_?message1)|(ldr r0, .LCPI)}}
; ARM: {{(movt r0, :upper16:_?message1)|(ldr r0, \[r0\])}}
; ARM: add r0, r0, #5
; ARM: movw r1, #64
; ARM: movw r2, #10
; ARM: and r1, r1, #255
; ARM: bl {{_?}}memset
; ARM-LONG: t1
; ARM-LONG: {{(movw r3, :lower16:L_memset\$non_lazy_ptr)|(ldr r3, .LCPI)}}
; ARM-LONG: {{(movt r3, :upper16:L_memset\$non_lazy_ptr)?}}
; ARM-LONG: ldr r3, [r3]
; ARM-LONG: blx r3
; THUMB: t1
; THUMB: {{(movw r0, :lower16:_?message1)|(ldr.n r0, .LCPI)}}
; THUMB: {{(movt r0, :upper16:_?message1)|(ldr r0, \[r0\])}}
; THUMB: adds r0, #5
; THUMB: movs r1, #64
; THUMB: movt r1, #0
; THUMB: movs r2, #10
; THUMB: movt r2, #0
; THUMB: and r1, r1, #255
; THUMB: bl {{_?}}memset
; THUMB-LONG: t1
; THUMB-LONG: movw r3, :lower16:L_memset$non_lazy_ptr
; THUMB-LONG: movt r3, :upper16:L_memset$non_lazy_ptr
; THUMB-LONG: ldr r3, [r3]
; THUMB-LONG: blx r3
call void @llvm.memset.p0i8.i32(i8* getelementptr inbounds ([60 x i8]* @message1, i32 0, i32 5), i8 64, i32 10, i32 4, i1 false)
ret void
}
declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind
define void @t2() nounwind ssp {
; ARM: t2
; ARM: {{(movw r0, :lower16:L_temp\$non_lazy_ptr)|(ldr r0, .LCPI)}}
; ARM: {{(movt r0, :upper16:L_temp\$non_lazy_ptr)?}}
; ARM: ldr r0, [r0]
; ARM: add r1, r0, #4
; ARM: add r0, r0, #16
; ARM: movw r2, #17
; ARM: str r0, [sp[[SLOT:[, #0-9]*]]] @ 4-byte Spill
; ARM: mov r0, r1
; ARM: ldr r1, [sp[[SLOT]]] @ 4-byte Reload
; ARM: bl {{_?}}memcpy
; ARM-LONG: t2
; ARM-LONG: {{(movw r3, :lower16:L_memcpy\$non_lazy_ptr)|(ldr r3, .LCPI)}}
; ARM-LONG: {{(movt r3, :upper16:L_memcpy\$non_lazy_ptr)?}}
; ARM-LONG: ldr r3, [r3]
; ARM-LONG: blx r3
; THUMB: t2
; THUMB: {{(movw r0, :lower16:L_temp\$non_lazy_ptr)|(ldr.n r0, .LCPI)}}
; THUMB: {{(movt r0, :upper16:L_temp\$non_lazy_ptr)?}}
; THUMB: ldr r0, [r0]
; THUMB: adds r1, r0, #4
; THUMB: adds r0, #16
; THUMB: movs r2, #17
; THUMB: movt r2, #0
; THUMB: str r0, [sp[[SLOT:[, #0-9]*]]] @ 4-byte Spill
; THUMB: mov r0, r1
; THUMB: ldr r1, [sp[[SLOT]]] @ 4-byte Reload
; THUMB: bl {{_?}}memcpy
; THUMB-LONG: t2
; THUMB-LONG: movw r3, :lower16:L_memcpy$non_lazy_ptr
; THUMB-LONG: movt r3, :upper16:L_memcpy$non_lazy_ptr
; THUMB-LONG: ldr r3, [r3]
; THUMB-LONG: blx r3
call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds ([60 x i8]* @temp, i32 0, i32 4), i8* getelementptr inbounds ([60 x i8]* @temp, i32 0, i32 16), i32 17, i32 4, i1 false)
ret void
}
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
define void @t3() nounwind ssp {
; ARM: t3
; ARM: {{(movw r0, :lower16:L_temp\$non_lazy_ptr)|(ldr r0, .LCPI)}}
; ARM: {{(movt r0, :upper16:L_temp\$non_lazy_ptr)?}}
; ARM: ldr r0, [r0]
; ARM: add r1, r0, #4
; ARM: add r0, r0, #16
; ARM: movw r2, #10
; ARM: mov r0, r1
; ARM: bl {{_?}}memmove
; ARM-LONG: t3
; ARM-LONG: {{(movw r3, :lower16:L_memmove\$non_lazy_ptr)|(ldr r3, .LCPI)}}
; ARM-LONG: {{(movt r3, :upper16:L_memmove\$non_lazy_ptr)?}}
; ARM-LONG: ldr r3, [r3]
; ARM-LONG: blx r3
; THUMB: t3
; THUMB: {{(movw r0, :lower16:L_temp\$non_lazy_ptr)|(ldr.n r0, .LCPI)}}
; THUMB: {{(movt r0, :upper16:L_temp\$non_lazy_ptr)?}}
; THUMB: ldr r0, [r0]
; THUMB: adds r1, r0, #4
; THUMB: adds r0, #16
; THUMB: movs r2, #10
; THUMB: movt r2, #0
; THUMB: str r0, [sp[[SLOT:[, #0-9]*]]] @ 4-byte Spill
; THUMB: mov r0, r1
; THUMB: ldr r1, [sp[[SLOT]]] @ 4-byte Reload
; THUMB: bl {{_?}}memmove
; THUMB-LONG: t3
; THUMB-LONG: movw r3, :lower16:L_memmove$non_lazy_ptr
; THUMB-LONG: movt r3, :upper16:L_memmove$non_lazy_ptr
; THUMB-LONG: ldr r3, [r3]
; THUMB-LONG: blx r3
call void @llvm.memmove.p0i8.p0i8.i32(i8* getelementptr inbounds ([60 x i8]* @temp, i32 0, i32 4), i8* getelementptr inbounds ([60 x i8]* @temp, i32 0, i32 16), i32 10, i32 1, i1 false)
ret void
}
define void @t4() nounwind ssp {
; ARM: t4
; ARM: {{(movw r0, :lower16:L_temp\$non_lazy_ptr)|(ldr r0, .LCPI)}}
; ARM: {{(movt r0, :upper16:L_temp\$non_lazy_ptr)?}}
; ARM: ldr r0, [r0]
; ARM: ldr r1, [r0, #16]
; ARM: str r1, [r0, #4]
; ARM: ldr r1, [r0, #20]
; ARM: str r1, [r0, #8]
; ARM: ldrh r1, [r0, #24]
; ARM: strh r1, [r0, #12]
; ARM: bx lr
; THUMB: t4
; THUMB: {{(movw r0, :lower16:L_temp\$non_lazy_ptr)|(ldr.n r0, .LCPI)}}
; THUMB: {{(movt r0, :upper16:L_temp\$non_lazy_ptr)?}}
; THUMB: ldr r0, [r0]
; THUMB: ldr r1, [r0, #16]
; THUMB: str r1, [r0, #4]
; THUMB: ldr r1, [r0, #20]
; THUMB: str r1, [r0, #8]
; THUMB: ldrh r1, [r0, #24]
; THUMB: strh r1, [r0, #12]
; THUMB: bx lr
call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds ([60 x i8]* @temp, i32 0, i32 4), i8* getelementptr inbounds ([60 x i8]* @temp, i32 0, i32 16), i32 10, i32 4, i1 false)
ret void
}
declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
define void @t5() nounwind ssp {
; ARM: t5
; ARM: {{(movw r0, :lower16:L_temp\$non_lazy_ptr)|(ldr r0, .LCPI)}}
; ARM: {{(movt r0, :upper16:L_temp\$non_lazy_ptr)?}}
; ARM: ldr r0, [r0]
; ARM: ldrh r1, [r0, #16]
; ARM: strh r1, [r0, #4]
; ARM: ldrh r1, [r0, #18]
; ARM: strh r1, [r0, #6]
; ARM: ldrh r1, [r0, #20]
; ARM: strh r1, [r0, #8]
; ARM: ldrh r1, [r0, #22]
; ARM: strh r1, [r0, #10]
; ARM: ldrh r1, [r0, #24]
; ARM: strh r1, [r0, #12]
; ARM: bx lr
; THUMB: t5
; THUMB: {{(movw r0, :lower16:L_temp\$non_lazy_ptr)|(ldr.n r0, .LCPI)}}
; THUMB: {{(movt r0, :upper16:L_temp\$non_lazy_ptr)?}}
; THUMB: ldr r0, [r0]
; THUMB: ldrh r1, [r0, #16]
; THUMB: strh r1, [r0, #4]
; THUMB: ldrh r1, [r0, #18]
; THUMB: strh r1, [r0, #6]
; THUMB: ldrh r1, [r0, #20]
; THUMB: strh r1, [r0, #8]
; THUMB: ldrh r1, [r0, #22]
; THUMB: strh r1, [r0, #10]
; THUMB: ldrh r1, [r0, #24]
; THUMB: strh r1, [r0, #12]
; THUMB: bx lr
call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds ([60 x i8]* @temp, i32 0, i32 4), i8* getelementptr inbounds ([60 x i8]* @temp, i32 0, i32 16), i32 10, i32 2, i1 false)
ret void
}
define void @t6() nounwind ssp {
; ARM: t6
; ARM: {{(movw r0, :lower16:L_temp\$non_lazy_ptr)|(ldr r0, .LCPI)}}
; ARM: {{(movt r0, :upper16:L_temp\$non_lazy_ptr)?}}
; ARM: ldr r0, [r0]
; ARM: ldrb r1, [r0, #16]
; ARM: strb r1, [r0, #4]
; ARM: ldrb r1, [r0, #17]
; ARM: strb r1, [r0, #5]
; ARM: ldrb r1, [r0, #18]
; ARM: strb r1, [r0, #6]
; ARM: ldrb r1, [r0, #19]
; ARM: strb r1, [r0, #7]
; ARM: ldrb r1, [r0, #20]
; ARM: strb r1, [r0, #8]
; ARM: ldrb r1, [r0, #21]
; ARM: strb r1, [r0, #9]
; ARM: ldrb r1, [r0, #22]
; ARM: strb r1, [r0, #10]
; ARM: ldrb r1, [r0, #23]
; ARM: strb r1, [r0, #11]
; ARM: ldrb r1, [r0, #24]
; ARM: strb r1, [r0, #12]
; ARM: ldrb r1, [r0, #25]
; ARM: strb r1, [r0, #13]
; ARM: bx lr
; THUMB: t6
; THUMB: {{(movw r0, :lower16:L_temp\$non_lazy_ptr)|(ldr.n r0, .LCPI)}}
; THUMB: {{(movt r0, :upper16:L_temp\$non_lazy_ptr)?}}
; THUMB: ldr r0, [r0]
; THUMB: ldrb r1, [r0, #16]
; THUMB: strb r1, [r0, #4]
; THUMB: ldrb r1, [r0, #17]
; THUMB: strb r1, [r0, #5]
; THUMB: ldrb r1, [r0, #18]
; THUMB: strb r1, [r0, #6]
; THUMB: ldrb r1, [r0, #19]
; THUMB: strb r1, [r0, #7]
; THUMB: ldrb r1, [r0, #20]
; THUMB: strb r1, [r0, #8]
; THUMB: ldrb r1, [r0, #21]
; THUMB: strb r1, [r0, #9]
; THUMB: ldrb r1, [r0, #22]
; THUMB: strb r1, [r0, #10]
; THUMB: ldrb r1, [r0, #23]
; THUMB: strb r1, [r0, #11]
; THUMB: ldrb r1, [r0, #24]
; THUMB: strb r1, [r0, #12]
; THUMB: ldrb r1, [r0, #25]
; THUMB: strb r1, [r0, #13]
; THUMB: bx lr
call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds ([60 x i8]* @temp, i32 0, i32 4), i8* getelementptr inbounds ([60 x i8]* @temp, i32 0, i32 16), i32 10, i32 1, i1 false)
ret void
}
; rdar://13202135
define void @t7() nounwind ssp {
; Just make sure this doesn't assert when we have an odd length and an alignment of 2.
call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds ([60 x i8]* @temp, i32 0, i32 4), i8* getelementptr inbounds ([60 x i8]* @temp, i32 0, i32 16), i32 3, i32 2, i1 false)
ret void
}
define i32 @t8(i32 %x) nounwind {
entry:
; ARM: t8
; ARM-NOT: FastISel missed call: %expval = call i32 @llvm.expect.i32(i32 %x, i32 1)
; THUMB: t8
; THUMB-NOT: FastISel missed call: %expval = call i32 @llvm.expect.i32(i32 %x, i32 1)
%expval = call i32 @llvm.expect.i32(i32 %x, i32 1)
ret i32 %expval
}
declare i32 @llvm.expect.i32(i32, i32) nounwind readnone
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