Kai Nacke 427fb35192 [PPC] Opaque pointer migration, part 1.
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, amyk, nikic, PowerPC

Differential Revision: https://reviews.llvm.org/D135470
2022-10-11 17:24:06 +00:00

30 lines
1.1 KiB
LLVM

; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O0 -code-model=medium <%s | FileCheck %s
; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O0 -code-model=large <%s | FileCheck %s
; Test correct code generation for medium and large code model
; for loading and storing an aliased external variable.
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
@a = external global i32
define signext i32 @test_external() nounwind {
entry:
%0 = load i32, ptr @a, align 4
%inc = add nsw i32 %0, 1
store i32 %inc, ptr @a, align 4
ret i32 %0
}
; CHECK-LABEL: test_external:
; CHECK: addis [[REG1:[0-9]+]], 2, .LC[[TOCNUM:[0-9]+]]@toc@ha
; CHECK: ld [[REG2:[0-9]+]], .LC[[TOCNUM]]@toc@l([[REG1]])
; CHECK: lwz {{[0-9]+}}, 0([[REG2]])
; CHECK: addis [[REG3:[0-9]+]], 2, .LC[[TOCNUM]]@toc@ha
; CHECK: ld [[REG4:[0-9]+]], .LC[[TOCNUM]]@toc@l([[REG3]])
; CHECK: stw {{[0-9]+}}, 0([[REG4]])
; CHECK: .section .toc
; CHECK: .LC[[TOCNUM]]:
; CHECK: .tc {{[a-z0-9A-Z_.]+}}[TC],{{[a-z0-9A-Z_.]+}}