forked from OSchip/llvm-project
149 lines
6.0 KiB
LLVM
149 lines
6.0 KiB
LLVM
; RUN: llc -fast-isel-sink-local-values -O0 -fast-isel -fast-isel-abort=1 -verify-machineinstrs -relocation-model=dynamic-no-pic -mtriple=arm64-apple-ios < %s | FileCheck %s --check-prefix=ARM64
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@message = global [80 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\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00", align 16
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@temp = common global [80 x i8] zeroinitializer, align 16
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define void @t1() {
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; ARM64-LABEL: t1
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; ARM64: adrp x8, _message@PAGE
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; ARM64: add x0, x8, _message@PAGEOFF
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; ARM64: mov [[REG:w[0-9]+]], wzr
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; ARM64: uxtb w1, [[REG]]
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; ARM64: mov x2, #80
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; ARM64: bl _memset
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call void @llvm.memset.p0i8.i64(i8* align 16 getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i8 0, i64 80, i1 false)
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ret void
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}
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declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1)
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define void @t2() {
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; ARM64-LABEL: t2
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; ARM64: adrp x8, _temp@GOTPAGE
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; ARM64: ldr x0, [x8, _temp@GOTPAGEOFF]
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; ARM64: adrp x8, _message@PAGE
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; ARM64: add x1, x8, _message@PAGEOFF
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; ARM64: mov x2, #80
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; ARM64: bl _memcpy
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* align 16 getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 80, i1 false)
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ret void
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}
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1)
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define void @t3() {
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; ARM64-LABEL: t3
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; ARM64: adrp x8, _temp@GOTPAGE
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; ARM64: ldr x0, [x8, _temp@GOTPAGEOFF]
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; ARM64: adrp x8, _message@PAGE
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; ARM64: add x1, x8, _message@PAGEOFF
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; ARM64: mov x2, #20
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; ARM64: bl _memmove
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call void @llvm.memmove.p0i8.p0i8.i64(i8* align 16 getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* align 16 getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 20, i1 false)
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ret void
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}
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declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1)
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define void @t4() {
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; ARM64-LABEL: t4
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; ARM64: adrp x8, _temp@GOTPAGE
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; ARM64: ldr [[REG0:x[0-9]+]], [x8, _temp@GOTPAGEOFF]
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; ARM64: adrp [[REG1:x[0-9]+]], _message@PAGE
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; ARM64: add [[REG2:x[0-9]+]], [[REG1]], _message@PAGEOFF
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; ARM64: ldr x10, {{\[}}[[REG2]]{{\]}}
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; ARM64: str x10, {{\[}}[[REG0]]{{\]}}
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; ARM64: ldr x10, {{\[}}[[REG2]], #8]
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; ARM64: str x10, {{\[}}[[REG0]], #8]
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; ARM64: ldrb [[REG3:w[0-9]+]], {{\[}}[[REG2]], #16]
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; ARM64: strb [[REG3]], {{\[}}[[REG0]], #16]
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; ARM64: ret
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* align 16 getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 17, i1 false)
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ret void
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}
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define void @t5() {
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; ARM64-LABEL: t5
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; ARM64: adrp x8, _temp@GOTPAGE
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; ARM64: ldr [[REG0:x[0-9]+]], [x8, _temp@GOTPAGEOFF]
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; ARM64: adrp [[REG3:x[0-9]+]], _message@PAGE
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; ARM64: add [[REG1:x[0-9]+]], [[REG3]], _message@PAGEOFF
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; ARM64: ldr x10, {{\[}}[[REG1]]]
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; ARM64: str x10, {{\[}}[[REG0]]]
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; ARM64: ldr x10, {{\[}}[[REG1]], #8]
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; ARM64: str x10, {{\[}}[[REG0]], #8]
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; ARM64: ldrb [[REG4:w[0-9]+]], {{\[}}[[REG1]], #16]
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; ARM64: strb [[REG4]], {{\[}}[[REG0]], #16]
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; ARM64: ret
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* align 8 getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 17, i1 false)
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ret void
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}
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define void @t6() {
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; ARM64-LABEL: t6
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; ARM64: adrp x8, _temp@GOTPAGE
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; ARM64: ldr [[REG0:x[0-9]+]], [x8, _temp@GOTPAGEOFF]
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; ARM64: adrp [[REG1:x[0-9]+]], _message@PAGE
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; ARM64: add [[REG2:x[0-9]+]], [[REG1]], _message@PAGEOFF
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; ARM64: ldr w10, {{\[}}[[REG2]]]
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; ARM64: str w10, {{\[}}[[REG0]]]
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; ARM64: ldr w10, {{\[}}[[REG2]], #4]
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; ARM64: str w10, {{\[}}[[REG0]], #4]
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; ARM64: ldrb [[REG3:w[0-9]+]], {{\[}}[[REG2]], #8]
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; ARM64: strb [[REG3]], {{\[}}[[REG0]], #8]
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; ARM64: ret
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* align 4 getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 9, i1 false)
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ret void
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}
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define void @t7() {
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; ARM64-LABEL: t7
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; ARM64: adrp x8, _temp@GOTPAGE
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; ARM64: ldr [[REG0:x[0-9]+]], [x8, _temp@GOTPAGEOFF]
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; ARM64: adrp [[REG1:x[0-9]+]], _message@PAGE
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; ARM64: add [[REG2:x[0-9]+]], [[REG1]], _message@PAGEOFF
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; ARM64: ldrh w10, {{\[}}[[REG2]]]
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; ARM64: strh w10, {{\[}}[[REG0]]]
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; ARM64: ldrh w10, {{\[}}[[REG2]], #2]
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; ARM64: strh w10, {{\[}}[[REG0]], #2]
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; ARM64: ldrh w10, {{\[}}[[REG2]], #4]
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; ARM64: strh w10, {{\[}}[[REG0]], #4]
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; ARM64: ldrb [[REG3:w[0-9]+]], {{\[}}[[REG2]], #6]
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; ARM64: strb [[REG3]], {{\[}}[[REG0]], #6]
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; ARM64: ret
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 2 getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* align 2 getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 7, i1 false)
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ret void
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}
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define void @t8() {
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; ARM64-LABEL: t8
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; ARM64: adrp x8, _temp@GOTPAGE
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; ARM64: ldr [[REG0:x[0-9]+]], [x8, _temp@GOTPAGEOFF]
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; ARM64: adrp [[REG1:x[0-9]+]], _message@PAGE
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; ARM64: add [[REG2:x[0-9]+]], [[REG1:x[0-9]+]], _message@PAGEOFF
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; ARM64: ldrb w10, {{\[}}[[REG2]]]
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; ARM64: strb w10, {{\[}}[[REG0]]]
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; ARM64: ldrb w10, {{\[}}[[REG2]], #1]
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; ARM64: strb w10, {{\[}}[[REG0]], #1]
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; ARM64: ldrb w10, {{\[}}[[REG2]], #2]
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; ARM64: strb w10, {{\[}}[[REG0]], #2]
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; ARM64: ldrb [[REG3:w[0-9]+]], {{\[}}[[REG2]], #3]
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; ARM64: strb [[REG3]], {{\[}}[[REG0]], #3]
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; ARM64: ret
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* align 1 getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 4, i1 false)
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ret void
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}
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define void @test_distant_memcpy(i8* %dst) {
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; ARM64-LABEL: test_distant_memcpy:
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; ARM64: mov [[ARRAY:x[0-9]+]], sp
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; ARM64: mov [[OFFSET:x[0-9]+]], #8000
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; ARM64: add x[[ADDR:[0-9]+]], [[ARRAY]], [[OFFSET]]
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; ARM64: ldrb [[BYTE:w[0-9]+]], [x[[ADDR]]]
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; ARM64: strb [[BYTE]], [x0]
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%array = alloca i8, i32 8192
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%elem = getelementptr i8, i8* %array, i32 8000
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %elem, i64 1, i1 false)
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ret void
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}
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