pcrel-tls-general-dynamic.ll
2.49 KB
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; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
; RUN: --relocation-model=pic -mcpu=pwr10 -ppc-asm-full-reg-names \
; RUN: -enable-ppc-pcrel-tls < %s | FileCheck %s --check-prefix=CHECK-S
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
; RUN: --relocation-model=pic -mcpu=pwr10 -ppc-asm-full-reg-names \
; RUN: -enable-ppc-pcrel-tls --filetype=obj -o %t.o < %s
; RUN: llvm-objdump --mcpu=pwr10 -dr %t.o |FileCheck %s --check-prefix=CHECK-O
; RUN: llvm-readelf -s %t.o | FileCheck %s --check-prefix=CHECK-SYM
; These test cases are to ensure that when using pc relative memory operations
; ABI correct code and relocations are produced for General Dynamic TLS Model.
@x = external thread_local global i32, align 4
define nonnull i32* @GeneralDynamicAddressLoad() {
; CHECK-S-LABEL: GeneralDynamicAddressLoad:
; CHECK-S: paddi r3, 0, x@got@tlsgd@pcrel, 1
; CHECK-S-NEXT: bl __tls_get_addr@notoc(x@tlsgd)
; CHECK-S-NEXT: addi r1, r1, 32
; CHECK-S-NEXT: ld r0, 16(r1)
; CHECK-S-NEXT: mtlr r0
; CHECK-S-NEXT: blr
; CHECK-O-LABEL: <GeneralDynamicAddressLoad>:
; CHECK-O: c: 00 00 10 06 00 00 60 38 paddi 3, 0, 0, 1
; CHECK-O-NEXT: 000000000000000c: R_PPC64_GOT_TLSGD_PCREL34 x
; CHECK-O-NEXT: 14: 01 00 00 48 bl 0x14
; CHECK-O-NEXT: 0000000000000014: R_PPC64_TLSGD x
; CHECK-O-NEXT: 0000000000000014: R_PPC64_REL24_NOTOC __tls_get_addr
entry:
ret i32* @x
}
define i32 @GeneralDynamicValueLoad() {
; CHECK-S-LABEL: GeneralDynamicValueLoad:
; CHECK-S: paddi r3, 0, x@got@tlsgd@pcrel, 1
; CHECK-S-NEXT: bl __tls_get_addr@notoc(x@tlsgd)
; CHECK-S-NEXT: lwz r3, 0(r3)
; CHECK-S-NEXT: addi r1, r1, 32
; CHECK-S-NEXT: ld r0, 16(r1)
; CHECK-S-NEXT: mtlr r0
; CHECK-S-NEXT: blr
; CHECK-O-LABEL: <GeneralDynamicValueLoad>:
; CHECK-O: 4c: 00 00 10 06 00 00 60 38 paddi 3, 0, 0, 1
; CHECK-O-NEXT: 000000000000004c: R_PPC64_GOT_TLSGD_PCREL34 x
; CHECK-O-NEXT: 54: 01 00 00 48 bl 0x54
; CHECK-O-NEXT: 0000000000000054: R_PPC64_TLSGD x
; CHECK-O-NEXT: 0000000000000054: R_PPC64_REL24_NOTOC __tls_get_addr
; CHECK-O-NEXT: 58: 00 00 63 80 lwz 3, 0(3)
; CHECK-SYM-LABEL: Symbol table '.symtab' contains 7 entries
; CHECK-SYM: 6: 0000000000000000 0 TLS GLOBAL DEFAULT UND x
entry:
%0 = load i32, i32* @x, align 4
ret i32 %0
}