llvm-project/llvm/test/CodeGen/PowerPC/pcrel-tls-initial-exec.ll
Kai Nacke 5403c59c60 [PPC] Opaque pointer migration, part 2.
The LIT test cases were migrated with the script provided by
Nikita Popov. Due to the size of the change it is split into
several parts.

Reviewed By: nemanja, nikic

Differential Revision: https://reviews.llvm.org/D135474
2022-10-11 17:24:06 +00:00

51 lines
2.1 KiB
LLVM

; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
; RUN: -mcpu=pwr10 -ppc-asm-full-reg-names < %s | FileCheck %s --check-prefix=CHECK-S
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
; RUN: -mcpu=pwr10 -ppc-asm-full-reg-names --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 Initial Exec TLS Model.
; Note that with R_PPC64_TLS relocations, to distinguish PC relative
; TLS the relocation has a field value displaced by one byte from the
; beginning of the instruction.
@x = external thread_local global i32, align 4
define ptr @InitialExecAddressLoad() {
; CHECK-S-LABEL: InitialExecAddressLoad:
; CHECK-S: # %bb.0: # %entry
; CHECK-S-NEXT: pld r3, x@got@tprel@pcrel(0), 1
; CHECK-S-NEXT: add r3, r3, x@tls@pcrel
; CHECK-S-NEXT: blr
; CHECK-O-LABEL: <InitialExecAddressLoad>:
; CHECK-O: 00 00 10 04 00 00 60 e4 pld 3, 0(0), 1
; CHECK-O-NEXT: 0000000000000000: R_PPC64_GOT_TPREL_PCREL34 x
; CHECK-O-NEXT: 14 6a 63 7c add 3, 3, 13
; CHECK-O-NEXT: 0000000000000009: R_PPC64_TLS x
; CHECK-O-NEXT: 20 00 80 4e blr
entry:
ret ptr @x
}
define i32 @InitialExecValueLoad() {
; CHECK-S-LABEL: InitialExecValueLoad:
; CHECK-S: # %bb.0: # %entry
; CHECK-S-NEXT: pld r3, x@got@tprel@pcrel(0), 1
; CHECK-S-NEXT: lwzx r3, r3, x@tls@pcrel
; CHECK-S-NEXT: blr
; CHECK-O-LABEL: <InitialExecValueLoad>:
; CHECK-O: 00 00 10 04 00 00 60 e4 pld 3, 0(0), 1
; CHECK-O-NEXT: 0000000000000020: R_PPC64_GOT_TPREL_PCREL34 x
; CHECK-O-NEXT: 2e 68 63 7c lwzx 3, 3, 13
; CHECK-O-NEXT: 0000000000000029: R_PPC64_TLS x
; CHECK-O-NEXT: 20 00 80 4e blr
; CHECK-SYM-LABEL: Symbol table '.symtab' contains 6 entries
; CHECK-SYM: 0000000000000000 0 TLS GLOBAL DEFAULT UND x
entry:
%0 = load i32, ptr @x, align 4
ret i32 %0
}