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llvm-mirror/test/CodeGen/ARM/fast-isel-intrinsic.ll
Chad Rosier 48b92815e0 Add support for inlining small memcpys.
rdar://10412592

llvm-svn: 144578
2011-11-14 22:46:17 +00:00

107 lines
3.2 KiB
LLVM

; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-darwin | FileCheck %s --check-prefix=ARM
; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-darwin | FileCheck %s --check-prefix=THUMB
@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: ldr r0, LCPI0_0
; ARM: add r0, r0, #5
; ARM: movw r1, #64
; ARM: movw r2, #10
; ARM: uxtb r1, r1
; ARM: bl _memset
; THUMB: t1
; THUMB: ldr.n r0, LCPI0_0
; THUMB: adds r0, #5
; THUMB: movs r1, #64
; THUMB: movt r1, #0
; THUMB: movs r2, #10
; THUMB: movt r2, #0
; THUMB: uxtb r1, r1
; THUMB: bl _memset
call void @llvm.memset.p0i8.i32(i8* getelementptr inbounds ([60 x i8]* @message1, i32 0, i32 5), i8 64, i32 10, i32 1, 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: ldr r0, LCPI1_0
; ARM: ldr r0, [r0]
; ARM: add r1, r0, #4
; ARM: add r0, r0, #16
; ARM: movw r2, #17
; ARM: str r0, [sp] @ 4-byte Spill
; ARM: mov r0, r1
; ARM: ldr r1, [sp] @ 4-byte Reload
; ARM: bl _memcpy
; THUMB: t2
; THUMB: ldr.n r0, LCPI1_0
; THUMB: ldr r0, [r0]
; THUMB: adds r1, r0, #4
; THUMB: adds r0, #16
; THUMB: movs r2, #17
; THUMB: movt r2, #0
; THUMB: mov r0, r1
; THUMB: bl _memcpy
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 1, 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: ldr r0, LCPI2_0
; 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
; THUMB: t3
; THUMB: ldr.n r0, LCPI2_0
; THUMB: ldr r0, [r0]
; THUMB: adds r1, r0, #4
; THUMB: adds r0, #16
; THUMB: movs r2, #10
; THUMB: movt r2, #0
; THUMB: mov r0, r1
; THUMB: bl _memmove
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: ldr r0, LCPI3_0
; ARM: ldr r0, [r0]
; ARM: ldr r1, LCPI3_1
; ARM: ldr r1, [r1]
; ARM: ldr r2, [r1, #16]
; ARM: str r2, [r0, #4]
; ARM: ldr r2, [r1, #20]
; ARM: str r2, [r0, #8]
; ARM: ldrh r1, [r1, #24]
; ARM: strh r1, [r0, #12]
; ARM: bx lr
; THUMB: ldr.n r0, LCPI3_0
; THUMB: ldr r0, [r0]
; THUMB: ldr.n r1, LCPI3_1
; THUMB: ldr r1, [r1]
; THUMB: ldr r2, [r1, #16]
; THUMB: str r2, [r0, #4]
; THUMB: ldr r2, [r1, #20]
; THUMB: str r2, [r0, #8]
; THUMB: ldrh r1, [r1, #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 1, i1 false)
ret void
}
declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind