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This patch is the initial support for the General Dynamic Thread Local Local Storage model to produce code sequence and relocations correct to the ABI for the model when using PC relative memory operations. Patch by: NeHuang Reviewed By: stefanp Differential Revision: https://reviews.llvm.org/D82315
52 lines
2.3 KiB
LLVM
52 lines
2.3 KiB
LLVM
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
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; RUN: --relocation-model=pic -mcpu=pwr10 -ppc-asm-full-reg-names \
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; RUN: -enable-ppc-pcrel-tls < %s | FileCheck %s --check-prefix=CHECK-S
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; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
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; RUN: --relocation-model=pic -mcpu=pwr10 -ppc-asm-full-reg-names \
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; RUN: -enable-ppc-pcrel-tls --filetype=obj < %s | \
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; RUN: llvm-objdump --mcpu=pwr10 -dr - | FileCheck %s --check-prefix=CHECK-O
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; These test cases are to ensure that when using pc relative memory operations
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; ABI correct code and relocations are produced for General Dynamic TLS Model.
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@x = external thread_local global i32, align 4
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define nonnull i32* @GeneralDynamicAddressLoad() {
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; CHECK-S-LABEL: GeneralDynamicAddressLoad:
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; CHECK-S: paddi r3, 0, x@got@tlsgd@pcrel, 1
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; CHECK-S-NEXT: bl __tls_get_addr@notoc(x@tlsgd)
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; CHECK-S-NEXT: addi r1, r1, 32
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; CHECK-S-NEXT: ld r0, 16(r1)
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; CHECK-S-NEXT: mtlr r0
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; CHECK-S-NEXT: blr
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; CHECK-O-LABEL: <GeneralDynamicAddressLoad>:
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; CHECK-O: c: 00 00 10 06 00 00 60 38 paddi 3, 0, 0, 1
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; CHECK-O-NEXT: 000000000000000c: R_PPC64_GOT_TLSGD_PCREL34 x
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; CHECK-O-NEXT: 14: 01 00 00 48 bl 0x14
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; CHECK-O-NEXT: 0000000000000014: R_PPC64_TLSGD x
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; CHECK-O-NEXT: 0000000000000014: R_PPC64_REL24_NOTOC __tls_get_addr
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entry:
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ret i32* @x
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}
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define i32 @GeneralDynamicValueLoad() {
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; CHECK-S-LABEL: GeneralDynamicValueLoad:
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; CHECK-S: paddi r3, 0, x@got@tlsgd@pcrel, 1
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; CHECK-S-NEXT: bl __tls_get_addr@notoc(x@tlsgd)
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; CHECK-S-NEXT: lwz r3, 0(r3)
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; CHECK-S-NEXT: addi r1, r1, 32
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; CHECK-S-NEXT: ld r0, 16(r1)
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; CHECK-S-NEXT: mtlr r0
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; CHECK-S-NEXT: blr
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; CHECK-O-LABEL: <GeneralDynamicValueLoad>:
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; CHECK-O: 4c: 00 00 10 06 00 00 60 38 paddi 3, 0, 0, 1
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; CHECK-O-NEXT: 000000000000004c: R_PPC64_GOT_TLSGD_PCREL34 x
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; CHECK-O-NEXT: 54: 01 00 00 48 bl 0x54
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; CHECK-O-NEXT: 0000000000000054: R_PPC64_TLSGD x
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; CHECK-O-NEXT: 0000000000000054: R_PPC64_REL24_NOTOC __tls_get_addr
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; CHECK-O-NEXT: 58: 00 00 63 80 lwz 3, 0(3)
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entry:
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%0 = load i32, i32* @x, align 4
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ret i32 %0
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}
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