| ; 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 i32* @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 i32* @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, i32* @x, align 4 |
| ret i32 %0 |
| } |