| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 -O0 < %s \ |
| ; RUN: | FileCheck -check-prefix=NOOPT %s |
| ; RUN: llc -relocation-model=static -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \ |
| ; RUN: -mcpu=pwr8 < %s | FileCheck -check-prefix=STATIC %s |
| ; RUN: llc -relocation-model=pic -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \ |
| ; RUN: -mcpu=pwr8 < %s | FileCheck -check-prefix=PIC %s |
| |
| ; Test correct code generation for static and pic for loading and storing a common symbol |
| |
| @comm_glob = common global i32 0, align 4 |
| |
| define signext i32 @test_comm() nounwind { |
| ; NOOPT-LABEL: test_comm: |
| ; NOOPT: # %bb.0: # %entry |
| ; NOOPT-NEXT: addis 3, 2, comm_glob@toc@ha |
| ; NOOPT-NEXT: addi 3, 3, comm_glob@toc@l |
| ; NOOPT-NEXT: lwz 4, 0(3) |
| ; NOOPT-NEXT: addi 5, 4, 1 |
| ; NOOPT-NEXT: stw 5, 0(3) |
| ; NOOPT-NEXT: extsw 3, 4 |
| ; NOOPT-NEXT: blr |
| ; |
| ; STATIC-LABEL: test_comm: |
| ; STATIC: # %bb.0: # %entry |
| ; STATIC-NEXT: addis 4, 2, comm_glob@toc@ha |
| ; STATIC-NEXT: lwa 3, comm_glob@toc@l(4) |
| ; STATIC-NEXT: addi 5, 3, 1 |
| ; STATIC-NEXT: stw 5, comm_glob@toc@l(4) |
| ; STATIC-NEXT: blr |
| ; |
| ; PIC-LABEL: test_comm: |
| ; PIC: # %bb.0: # %entry |
| ; PIC-NEXT: addis 3, 2, .LC0@toc@ha |
| ; PIC-NEXT: ld 4, .LC0@toc@l(3) |
| ; PIC-NEXT: lwa 3, 0(4) |
| ; PIC-NEXT: addi 5, 3, 1 |
| ; PIC-NEXT: stw 5, 0(4) |
| ; PIC-NEXT: blr |
| entry: |
| %0 = load i32, i32* @comm_glob, align 4 |
| %inc = add nsw i32 %0, 1 |
| store i32 %inc, i32* @comm_glob, align 4 |
| ret i32 %0 |
| } |
