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; 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
}
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