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

195 lines
6.6 KiB
LLVM

; RUN: llc -relocation-model=static -verify-machineinstrs -O0 -mcpu=pwr7 -code-model=medium -filetype=obj -fast-isel=false %s -o - | \
; RUN: llvm-readobj -r - | FileCheck -check-prefix=MEDIUM %s
; RUN: llc -relocation-model=static -verify-machineinstrs -O0 -mcpu=pwr7 -code-model=large -filetype=obj -fast-isel=false %s -o - | \
; RUN: llvm-readobj -r - | FileCheck -check-prefix=LARGE %s
; Run jump table test separately since jump tables aren't generated at -O0.
; RUN: llc -relocation-model=static -verify-machineinstrs -mcpu=pwr7 -code-model=medium -filetype=obj -fast-isel=false %s -o - | \
; RUN: llvm-readobj -r - | FileCheck -check-prefix=MEDIUM-JT %s
; RUN: llc -relocation-model=static -verify-machineinstrs -mcpu=pwr7 -code-model=large -filetype=obj -fast-isel=false %s -o - | \
; RUN: llvm-readobj -r - | FileCheck -check-prefix=LARGE-JT %s
; FIXME: When asm-parse is available, could make this an assembly test.
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"
@ei = external global i32
define dso_local signext i32 @test_external() nounwind {
entry:
%0 = load i32, ptr @ei, align 4
%inc = add nsw i32 %0, 1
store i32 %inc, ptr @ei, align 4
ret i32 %0
}
; Verify generation of R_PPC64_TOC16_HA and R_PPC64_TOC16_LO_DS for
; accessing external variable ei.
;
; MEDIUM: Relocations [
; MEDIUM: Section {{.*}} .rela.text {
; MEDIUM-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_HA .toc 0x0
; MEDIUM-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_LO_DS .toc 0x0
;
; LARGE: Relocations [
; LARGE: Section {{.*}} .rela.text {
; LARGE-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_HA [[SYM1:[^ ]+]]
; LARGE-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_LO_DS [[SYM1]]
@test_fn_static.si = internal global i32 0, align 4
define dso_local signext i32 @test_fn_static() nounwind {
entry:
%0 = load i32, ptr @test_fn_static.si, align 4
%inc = add nsw i32 %0, 1
store i32 %inc, ptr @test_fn_static.si, align 4
ret i32 %0
}
; Verify generation of R_PPC64_TOC16_HA and R_PPC64_TOC16_LO for
; accessing function-scoped variable si.
;
; MEDIUM-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_HA .bss 0x0
; MEDIUM-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_LO .bss 0x0
;
; Verify generation of R_PPC64_TOC16_HA and R_PPC64_TOC16_LO_DS for
; accessing function-scoped variable si.
;
; LARGE-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_HA [[SYM2:[^ ]+]]
; LARGE-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_LO_DS [[SYM2]]
@gi = dso_local global i32 5, align 4
define dso_local signext i32 @test_file_static() nounwind {
entry:
%0 = load i32, ptr @gi, align 4
%inc = add nsw i32 %0, 1
store i32 %inc, ptr @gi, align 4
ret i32 %0
}
; Verify generation of R_PPC64_TOC16_HA and R_PPC64_TOC16_LO for
; accessing file-scope variable gi.
;
; MEDIUM-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_HA gi 0x0
; MEDIUM-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_LO gi 0x0
;
; Verify generation of R_PPC64_TOC16_HA and R_PPC64_TOC16_LO_DS for
; accessing file-scope variable gi.
;
; LARGE-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_HA [[SYM3:[^ ]+]]
; LARGE-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_LO_DS [[SYM3]]
define dso_local double @test_double_const() nounwind {
entry:
ret double 0x3F4FD4920B498CF0
}
; Verify generation of R_PPC64_TOC16_HA and R_PPC64_TOC16_LO for
; accessing a constant.
;
; MEDIUM-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_HA .rodata.cst8
; MEDIUM-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_LO .rodata.cst8
;
; Verify generation of R_PPC64_TOC16_HA and R_PPC64_TOC16_LO_DS for
; accessing a constant.
;
; LARGE-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_HA [[SYM4:[^ ]+]]
; LARGE-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_LO_DS [[SYM4]]
@ti = common dso_local global i32 0, align 4
define dso_local signext i32 @test_tentative() nounwind {
entry:
%0 = load i32, ptr @ti, align 4
%inc = add nsw i32 %0, 1
store i32 %inc, ptr @ti, align 4
ret i32 %0
}
; Verify generation of relocations foraccessing variable ti.
;
; MEDIUM-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_HA ti 0x0
; MEDIUM-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_LO ti 0x0
;
; LARGE-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_HA [[SYM6:[^ ]+]]
; LARGE-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_LO_DS [[SYM6]]
define ptr @test_fnaddr() nounwind {
entry:
%func = alloca ptr, align 8
store ptr @foo, ptr %func, align 8
%0 = load ptr, ptr %func, align 8
ret ptr %0
}
declare signext i32 @foo(i32 signext)
; Verify generation of R_PPC64_TOC16_HA and R_PPC64_TOC16_LO_DS for
; accessing function address foo.
;
; MEDIUM-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_HA .toc 0x8
; MEDIUM-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_LO_DS .toc 0x8
;
; LARGE-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_HA [[SYM7:[^ ]+]]
; LARGE-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_LO_DS [[SYM7]]
define dso_local signext i32 @test_jump_table(i32 signext %i) nounwind {
entry:
%i.addr = alloca i32, align 4
store i32 %i, ptr %i.addr, align 4
%0 = load i32, ptr %i.addr, align 4
switch i32 %0, label %sw.default [
i32 3, label %sw.bb
i32 4, label %sw.bb1
i32 5, label %sw.bb2
i32 6, label %sw.bb3
]
sw.default: ; preds = %entry
br label %sw.epilog
sw.bb: ; preds = %entry
%1 = load i32, ptr %i.addr, align 4
%mul = mul nsw i32 %1, 7
store i32 %mul, ptr %i.addr, align 4
br label %sw.bb1
sw.bb1: ; preds = %entry, %sw.bb
%2 = load i32, ptr %i.addr, align 4
%dec = add nsw i32 %2, -1
store i32 %dec, ptr %i.addr, align 4
br label %sw.bb2
sw.bb2: ; preds = %entry, %sw.bb1
%3 = load i32, ptr %i.addr, align 4
%add = add nsw i32 %3, 3
store i32 %add, ptr %i.addr, align 4
br label %sw.bb3
sw.bb3: ; preds = %entry, %sw.bb2
%4 = load i32, ptr %i.addr, align 4
%shl = shl i32 %4, 1
store i32 %shl, ptr %i.addr, align 4
br label %sw.epilog
sw.epilog: ; preds = %sw.bb3, %sw.default
%5 = load i32, ptr %i.addr, align 4
ret i32 %5
}
; Verify generation of R_PPC64_TOC16_HA and R_PPC64_TOC16_LO_DS for
; accessing a jump table address.
;
; MEDIUM-JT: Relocations [
; MEDIUM-JT: Section ({{.*}}) .rela.text {
; MEDIUM-JT-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_HA [[SYM:[^ ]+]]
; MEDIUM-JT-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_LO_DS [[SYM]]
;
; LARGE-JT: Relocations [
; LARGE-JT: Section ({{.*}}) .rela.text {
; LARGE-JT-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_HA [[SYM:[^ ]+]]
; LARGE-JT-NEXT: 0x{{[0-9,A-F]+}} R_PPC64_TOC16_LO_DS [[SYM]]