mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 18:54:02 +01:00
c0f4632683
TargetMachine::shouldAssumeDSOLocal currently implies dso_local for such definitions.
Adding explicit dso_local makes these tests align with the clang -fno-pic behavior
and allow the removal of the TargetMachine::shouldAssumeDSOLocal special case.
Split tiny_model.ll to tiny-model-{static,pic}.ll
207 lines
7.4 KiB
LLVM
207 lines
7.4 KiB
LLVM
; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -disable-post-ra | FileCheck %s
|
|
; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -mattr=-fp-armv8 -disable-post-ra | FileCheck --check-prefix=CHECK-NOFP %s
|
|
|
|
%myStruct = type { i64 , i8, i32 }
|
|
|
|
@var8 = dso_local global i8 0
|
|
@var32 = dso_local global i32 0
|
|
@var64 = dso_local global i64 0
|
|
@var128 = dso_local global i128 0
|
|
@varfloat = dso_local global float 0.0
|
|
@vardouble = dso_local global double 0.0
|
|
@varstruct = dso_local global %myStruct zeroinitializer
|
|
|
|
define dso_local void @take_i8s(i8 %val1, i8 %val2) {
|
|
; CHECK-LABEL: take_i8s:
|
|
store i8 %val2, i8* @var8
|
|
; Not using w1 may be technically allowed, but it would indicate a
|
|
; problem in itself.
|
|
; CHECK: strb w1, [{{x[0-9]+}}, {{#?}}:lo12:var8]
|
|
ret void
|
|
}
|
|
|
|
define dso_local void @add_floats(float %val1, float %val2) {
|
|
; CHECK-LABEL: add_floats:
|
|
%newval = fadd float %val1, %val2
|
|
; CHECK: fadd [[ADDRES:s[0-9]+]], s0, s1
|
|
; CHECK-NOFP-NOT: fadd
|
|
store float %newval, float* @varfloat
|
|
; CHECK: str [[ADDRES]], [{{x[0-9]+}}, {{#?}}:lo12:varfloat]
|
|
ret void
|
|
}
|
|
|
|
; byval pointers should be allocated to the stack and copied as if
|
|
; with memcpy.
|
|
define dso_local void @take_struct(%myStruct* byval(%myStruct) %structval) {
|
|
; CHECK-LABEL: take_struct:
|
|
%addr0 = getelementptr %myStruct, %myStruct* %structval, i64 0, i32 2
|
|
%addr1 = getelementptr %myStruct, %myStruct* %structval, i64 0, i32 0
|
|
|
|
%val0 = load volatile i32, i32* %addr0
|
|
; Some weird move means x0 is used for one access
|
|
; CHECK: ldr [[REG32:w[0-9]+]], [{{x[0-9]+|sp}}, #12]
|
|
store volatile i32 %val0, i32* @var32
|
|
; CHECK: str [[REG32]], [{{x[0-9]+}}, {{#?}}:lo12:var32]
|
|
|
|
%val1 = load volatile i64, i64* %addr1
|
|
; CHECK: ldr [[REG64:x[0-9]+]], [{{x[0-9]+|sp}}]
|
|
store volatile i64 %val1, i64* @var64
|
|
; CHECK: str [[REG64]], [{{x[0-9]+}}, {{#?}}:lo12:var64]
|
|
|
|
ret void
|
|
}
|
|
|
|
; %structval should be at sp + 16
|
|
define dso_local void @check_byval_align(i32* byval(i32) %ignore, %myStruct* byval(%myStruct) align 16 %structval) {
|
|
; CHECK-LABEL: check_byval_align:
|
|
|
|
%addr0 = getelementptr %myStruct, %myStruct* %structval, i64 0, i32 2
|
|
%addr1 = getelementptr %myStruct, %myStruct* %structval, i64 0, i32 0
|
|
|
|
%val0 = load volatile i32, i32* %addr0
|
|
; Some weird move means x0 is used for one access
|
|
; CHECK: ldr [[REG32:w[0-9]+]], [sp, #28]
|
|
store i32 %val0, i32* @var32
|
|
; CHECK: str [[REG32]], [{{x[0-9]+}}, {{#?}}:lo12:var32]
|
|
|
|
%val1 = load volatile i64, i64* %addr1
|
|
; CHECK: ldr [[REG64:x[0-9]+]], [sp, #16]
|
|
store i64 %val1, i64* @var64
|
|
; CHECK: str [[REG64]], [{{x[0-9]+}}, {{#?}}:lo12:var64]
|
|
|
|
ret void
|
|
}
|
|
|
|
define dso_local i32 @return_int() {
|
|
; CHECK-LABEL: return_int:
|
|
%val = load i32, i32* @var32
|
|
ret i32 %val
|
|
; CHECK: ldr w0, [{{x[0-9]+}}, {{#?}}:lo12:var32]
|
|
; Make sure epilogue follows
|
|
; CHECK-NEXT: ret
|
|
}
|
|
|
|
define dso_local double @return_double() {
|
|
; CHECK-LABEL: return_double:
|
|
ret double 3.14
|
|
; CHECK: ldr d0, [{{x[0-9]+}}, {{#?}}:lo12:.LCPI
|
|
; CHECK-NOFP-NOT: ldr d0,
|
|
}
|
|
|
|
; This is the kind of IR clang will produce for returning a struct
|
|
; small enough to go into registers. Not all that pretty, but it
|
|
; works.
|
|
define [2 x i64] @return_struct() {
|
|
; CHECK-LABEL: return_struct:
|
|
%addr = bitcast %myStruct* @varstruct to [2 x i64]*
|
|
%val = load [2 x i64], [2 x i64]* %addr
|
|
ret [2 x i64] %val
|
|
; CHECK: add x[[VARSTRUCT:[0-9]+]], {{x[0-9]+}}, :lo12:varstruct
|
|
; CHECK: ldp x0, x1, [x[[VARSTRUCT]]]
|
|
; Make sure epilogue immediately follows
|
|
; CHECK-NEXT: ret
|
|
}
|
|
|
|
; Large structs are passed by reference (storage allocated by caller
|
|
; to preserve value semantics) in x8. Strictly this only applies to
|
|
; structs larger than 16 bytes, but C semantics can still be provided
|
|
; if LLVM does it to %myStruct too. So this is the simplest check
|
|
define dso_local void @return_large_struct(%myStruct* sret(%myStruct) %retval) {
|
|
; CHECK-LABEL: return_large_struct:
|
|
%addr0 = getelementptr %myStruct, %myStruct* %retval, i64 0, i32 0
|
|
%addr1 = getelementptr %myStruct, %myStruct* %retval, i64 0, i32 1
|
|
%addr2 = getelementptr %myStruct, %myStruct* %retval, i64 0, i32 2
|
|
|
|
store i64 42, i64* %addr0
|
|
store i8 2, i8* %addr1
|
|
store i32 9, i32* %addr2
|
|
; CHECK: str {{x[0-9]+}}, [x8]
|
|
; CHECK: strb {{w[0-9]+}}, [x8, #8]
|
|
; CHECK: str {{w[0-9]+}}, [x8, #12]
|
|
|
|
ret void
|
|
}
|
|
|
|
; This struct is just too far along to go into registers: (only x7 is
|
|
; available, but it needs two). Also make sure that %stacked doesn't
|
|
; sneak into x7 behind.
|
|
define dso_local i32 @struct_on_stack(i8 %var0, i16 %var1, i32 %var2, i64 %var3, i128 %var45,
|
|
i32* %var6, %myStruct* byval(%myStruct) %struct, i32* byval(i32) %stacked,
|
|
double %notstacked) {
|
|
; CHECK-LABEL: struct_on_stack:
|
|
%addr = getelementptr %myStruct, %myStruct* %struct, i64 0, i32 0
|
|
%val64 = load volatile i64, i64* %addr
|
|
store volatile i64 %val64, i64* @var64
|
|
; Currently nothing on local stack, so struct should be at sp
|
|
; CHECK: ldr [[VAL64:x[0-9]+]], [sp]
|
|
; CHECK: str [[VAL64]], [{{x[0-9]+}}, {{#?}}:lo12:var64]
|
|
|
|
store volatile double %notstacked, double* @vardouble
|
|
; CHECK-NOT: ldr d0
|
|
; CHECK: str d0, [{{x[0-9]+}}, {{#?}}:lo12:vardouble
|
|
; CHECK-NOFP-NOT: str d0,
|
|
|
|
%retval = load volatile i32, i32* %stacked
|
|
ret i32 %retval
|
|
; CHECK-LE: ldr w0, [sp, #16]
|
|
}
|
|
|
|
define dso_local void @stacked_fpu(float %var0, double %var1, float %var2, float %var3,
|
|
float %var4, float %var5, float %var6, float %var7,
|
|
float %var8) {
|
|
; CHECK-LABEL: stacked_fpu:
|
|
store float %var8, float* @varfloat
|
|
; Beware as above: the offset would be different on big-endian
|
|
; machines if the first ldr were changed to use s-registers.
|
|
; CHECK: ldr {{[ds]}}[[VALFLOAT:[0-9]+]], [sp]
|
|
; CHECK: str s[[VALFLOAT]], [{{x[0-9]+}}, {{#?}}:lo12:varfloat]
|
|
|
|
ret void
|
|
}
|
|
|
|
; 128-bit integer types should be passed in xEVEN, xODD rather than
|
|
; the reverse. In this case x2 and x3. Nothing should use x1.
|
|
define dso_local i64 @check_i128_regalign(i32 %val0, i128 %val1, i64 %val2) {
|
|
; CHECK-LABEL: check_i128_regalign
|
|
store i128 %val1, i128* @var128
|
|
; CHECK-DAG: add x[[VAR128:[0-9]+]], {{x[0-9]+}}, :lo12:var128
|
|
; CHECK-DAG: stp x2, x3, [x[[VAR128]]]
|
|
|
|
ret i64 %val2
|
|
; CHECK-DAG: mov x0, x4
|
|
}
|
|
|
|
define dso_local void @check_i128_stackalign(i32 %val0, i32 %val1, i32 %val2, i32 %val3,
|
|
i32 %val4, i32 %val5, i32 %val6, i32 %val7,
|
|
i32 %stack1, i128 %stack2) {
|
|
; CHECK-LABEL: check_i128_stackalign
|
|
store i128 %stack2, i128* @var128
|
|
; Nothing local on stack in current codegen, so first stack is 16 away
|
|
; CHECK-LE: add x[[REG:[0-9]+]], sp, #16
|
|
; CHECK-LE: ldr {{x[0-9]+}}, [x[[REG]], #8]
|
|
|
|
; Important point is that we address sp+24 for second dword
|
|
|
|
; CHECK: ldp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #16]
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i1)
|
|
|
|
define dso_local i32 @test_extern() {
|
|
; CHECK-LABEL: test_extern:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 undef, i8* align 4 undef, i32 undef, i1 0)
|
|
; CHECK: bl memcpy
|
|
ret i32 0
|
|
}
|
|
|
|
|
|
; A sub-i32 stack argument must be loaded on big endian with ldr{h,b}, not just
|
|
; implicitly extended to a 32-bit load.
|
|
define dso_local i16 @stacked_i16(i32 %val0, i32 %val1, i32 %val2, i32 %val3,
|
|
i32 %val4, i32 %val5, i32 %val6, i32 %val7,
|
|
i16 %stack1) {
|
|
; CHECK-LABEL: stacked_i16
|
|
ret i16 %stack1
|
|
}
|