llvm/test/CodeGen/PowerPC/ppc32-pic-large.ll
Krzysztof Parzyszek 7b83fe6d98 [PPC] Set SP after loading data from stack frame, if no red zone is present
Follow-up to r280705: Make sure that the SP is only restored after all data
is loaded from the stack frame, if there is no red zone.

This completes the fix for https://llvm.org/bugs/show_bug.cgi?id=26519.

Differential Revision: https://reviews.llvm.org/D24466


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@282174 91177308-0d34-0410-b5e6-96231b3b80d8
2016-09-22 17:22:43 +00:00

32 lines
1.1 KiB
LLVM

; RUN: llc < %s -mtriple=powerpc-unknown-linux-gnu -relocation-model=pic | FileCheck -check-prefix=LARGE-BSS %s
@bar = common global i32 0, align 4
declare i32 @call_foo(i32, ...)
define i32 @foo() {
entry:
%0 = load i32, i32* @bar, align 4
%call = call i32 (i32, ...) @call_foo(i32 %0, i32 0, i32 1, i32 2, i32 4, i32 8, i32 16, i32 32, i32 64)
ret i32 %0
}
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"PIC Level", i32 2}
; LARGE-BSS: [[POFF:\.L[0-9]+\$poff]]:
; LARGE-BSS-NEXT: .long .LTOC-[[PB:\.L[0-9]+\$pb]]
; LARGE-BSS-NEXT: foo:
; LARGE-BSS: stwu 1, -32(1)
; LARGE-BSS: stw 30, 24(1)
; LARGE-BSS: bl [[PB]]
; LARGE-BSS-NEXT: [[PB]]:
; LARGE-BSS: mflr 30
; LARGE-BSS: lwz [[REG:[0-9]+]], [[POFF]]-[[PB]](30)
; LARGE-BSS-NEXT: add 30, [[REG]], 30
; LARGE-BSS-DAG: lwz [[VREG:[0-9]+]], [[VREF:\.LC[0-9]+]]-.LTOC(30)
; LARGE-BSS-DAG: lwz {{[0-9]+}}, 0([[VREG]])
; LARGE-BSS-DAG: stw {{[0-9]+}}, 8(1)
; LARGE-BSS: lwz 30, 24(1)
; LARGE-BSS: [[VREF]]:
; LARGE-BSS-NEXT: .p2align 2
; LARGE-BSS-NEXT: .long bar