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|
; 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, i32* @ei, align 4
%inc = add nsw i32 %0, 1
store i32 %inc, i32* @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, i32* @test_fn_static.si, align 4
%inc = add nsw i32 %0, 1
store i32 %inc, i32* @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, i32* @gi, align 4
%inc = add nsw i32 %0, 1
store i32 %inc, i32* @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, i32* @ti, align 4
%inc = add nsw i32 %0, 1
store i32 %inc, i32* @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 i8* @test_fnaddr() nounwind {
entry:
%func = alloca i32 (i32)*, align 8
store i32 (i32)* @foo, i32 (i32)** %func, align 8
%0 = load i32 (i32)*, i32 (i32)** %func, align 8
%1 = bitcast i32 (i32)* %0 to i8*
ret i8* %1
}
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, i32* %i.addr, align 4
%0 = load i32, i32* %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, i32* %i.addr, align 4
%mul = mul nsw i32 %1, 7
store i32 %mul, i32* %i.addr, align 4
br label %sw.bb1
sw.bb1: ; preds = %entry, %sw.bb
%2 = load i32, i32* %i.addr, align 4
%dec = add nsw i32 %2, -1
store i32 %dec, i32* %i.addr, align 4
br label %sw.bb2
sw.bb2: ; preds = %entry, %sw.bb1
%3 = load i32, i32* %i.addr, align 4
%add = add nsw i32 %3, 3
store i32 %add, i32* %i.addr, align 4
br label %sw.bb3
sw.bb3: ; preds = %entry, %sw.bb2
%4 = load i32, i32* %i.addr, align 4
%shl = shl i32 %4, 1
store i32 %shl, i32* %i.addr, align 4
br label %sw.epilog
sw.epilog: ; preds = %sw.bb3, %sw.default
%5 = load i32, i32* %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]]
|
