; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-AARCH64 ; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64_be-none-linux-gnu | FileCheck --check-prefix=CHECK --check-prefix=CHECK-BE %s ; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -mattr=-fp-armv8 | FileCheck --check-prefix=CHECK-NOFP %s ; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64_be-none-linux-gnu -mattr=-fp-armv8 | FileCheck --check-prefix=CHECK-BE --check-prefix=CHECK-NOFP %s ; RUN: llc -verify-machineinstrs < %s -mtriple=arm64-none-linux-gnu | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-ARM64 ; RUN: llc -verify-machineinstrs < %s -mtriple=arm64-none-linux-gnu -mattr=-neon | FileCheck --check-prefix=CHECK --check-prefix=CHECK-ARM64-NONEON %s ; RUN: llc -verify-machineinstrs < %s -mtriple=arm64-none-linux-gnu -mattr=-fp-armv8 | FileCheck --check-prefix=CHECK-NOFP %s ; RUN: llc -verify-machineinstrs < %s -mtriple=arm64_be-none-linux-gnu | FileCheck --check-prefix=CHECK --check-prefix=CHECK-BE %s %myStruct = type { i64 , i8, i32 } @var8 = global i8 0 @var8_2 = global i8 0 @var32 = global i32 0 @var64 = global i64 0 @var128 = global i128 0 @varfloat = global float 0.0 @varfloat_2 = global float 0.0 @vardouble = global double 0.0 @varstruct = global %myStruct zeroinitializer @varsmallstruct = global [2 x i64] zeroinitializer declare void @take_i8s(i8 %val1, i8 %val2) declare void @take_floats(float %val1, float %val2) define void @simple_args() { ; CHECK-LABEL: simple_args: %char1 = load i8* @var8 %char2 = load i8* @var8_2 call void @take_i8s(i8 %char1, i8 %char2) ; CHECK-DAG: ldrb w0, [{{x[0-9]+}}, {{#?}}:lo12:var8] ; CHECK-DAG: ldrb w1, [{{x[0-9]+}}, {{#?}}:lo12:var8_2] ; CHECK: bl take_i8s %float1 = load float* @varfloat %float2 = load float* @varfloat_2 call void @take_floats(float %float1, float %float2) ; CHECK-DAG: ldr s1, [{{x[0-9]+}}, {{#?}}:lo12:varfloat_2] ; CHECK-DAG: ldr s0, [{{x[0-9]+}}, {{#?}}:lo12:varfloat] ; CHECK: bl take_floats ; CHECK-NOFP-NOT: ldr s1, ; CHECK-NOFP-NOT: ldr s0, ret void } declare i32 @return_int() declare double @return_double() declare [2 x i64] @return_smallstruct() declare void @return_large_struct(%myStruct* sret %retval) define void @simple_rets() { ; CHECK-LABEL: simple_rets: %int = call i32 @return_int() store i32 %int, i32* @var32 ; CHECK: bl return_int ; CHECK: str w0, [{{x[0-9]+}}, {{#?}}:lo12:var32] %dbl = call double @return_double() store double %dbl, double* @vardouble ; CHECK: bl return_double ; CHECK: str d0, [{{x[0-9]+}}, {{#?}}:lo12:vardouble] ; CHECK-NOFP-NOT: str d0, %arr = call [2 x i64] @return_smallstruct() store [2 x i64] %arr, [2 x i64]* @varsmallstruct ; CHECK: bl return_smallstruct ; CHECK: str x1, [{{x[0-9]+}}, #8] ; CHECK: str x0, [{{x[0-9]+}}, {{#?}}:lo12:varsmallstruct] call void @return_large_struct(%myStruct* sret @varstruct) ; CHECK: add x8, {{x[0-9]+}}, {{#?}}:lo12:varstruct ; CHECK: bl return_large_struct ret void } declare i32 @struct_on_stack(i8 %var0, i16 %var1, i32 %var2, i64 %var3, i128 %var45, i32* %var6, %myStruct* byval %struct, i32 %stacked, double %notstacked) declare void @stacked_fpu(float %var0, double %var1, float %var2, float %var3, float %var4, float %var5, float %var6, float %var7, float %var8) define void @check_stack_args() { ; CHECK-LABEL: check_stack_args: call i32 @struct_on_stack(i8 0, i16 12, i32 42, i64 99, i128 1, i32* @var32, %myStruct* byval @varstruct, i32 999, double 1.0) ; Want to check that the final double is passed in registers and ; that varstruct is passed on the stack. Rather dependent on how a ; memcpy gets created, but the following works for now. ; CHECK-AARCH64: mov x[[SPREG:[0-9]+]], sp ; CHECK-AARCH64-DAG: str {{w[0-9]+}}, [x[[SPREG]]] ; CHECK-AARCH64-DAG: str {{w[0-9]+}}, [x[[SPREG]], #12] ; CHECK-AARCH64-DAG: fmov d0, ; CHECK-ARM64-DAG: str {{q[0-9]+}}, [sp] ; CHECK-ARM64-DAG: fmov d[[FINAL_DOUBLE:[0-9]+]], #1.0 ; CHECK-ARM64: orr v0.16b, v[[FINAL_DOUBLE]].16b, v[[FINAL_DOUBLE]].16b ; CHECK-ARM64-NONEON-DAG: str {{q[0-9]+}}, [sp] ; CHECK-ARM64-NONEON-DAG: fmov d[[FINAL_DOUBLE:[0-9]+]], #1.0 ; CHECK-ARM64-NONEON: fmov d0, d[[FINAL_DOUBLE]] ; CHECK: bl struct_on_stack ; CHECK-NOFP-NOT: fmov call void @stacked_fpu(float -1.0, double 1.0, float 4.0, float 2.0, float -2.0, float -8.0, float 16.0, float 1.0, float 64.0) ; CHECK-AARCH64: ldr s[[STACKEDREG:[0-9]+]], [{{x[0-9]+}}, {{#?}}:lo12:.LCPI ; CHECK-AARCH64: mov x0, sp ; CHECK-AARCH64: str d[[STACKEDREG]], [x0] ; CHECK-ARM64: movz [[SIXTY_FOUR:w[0-9]+]], #0x4280, lsl #16 ; CHECK-ARM64: str [[SIXTY_FOUR]], [sp] ; CHECK-ARM64-NONEON: movz [[SIXTY_FOUR:w[0-9]+]], #0x4280, lsl #16 ; CHECK-ARM64-NONEON: str [[SIXTY_FOUR]], [sp] ; CHECK: bl stacked_fpu ret void } declare void @check_i128_stackalign(i32 %val0, i32 %val1, i32 %val2, i32 %val3, i32 %val4, i32 %val5, i32 %val6, i32 %val7, i32 %stack1, i128 %stack2) declare void @check_i128_regalign(i32 %val0, i128 %val1) define void @check_i128_align() { ; CHECK-LABEL: check_i128_align: %val = load i128* @var128 call void @check_i128_stackalign(i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 42, i128 %val) ; CHECK: ldr [[I128LO:x[0-9]+]], [{{x[0-9]+}}, {{#?}}:lo12:var128] ; CHECK: ldr [[I128HI:x[0-9]+]], [{{x[0-9]+}}, #8] ; CHECK-AARCH64: mov x[[SPREG:[0-9]+]], sp ; CHECK-AARCH64: str [[I128HI]], [x[[SPREG]], #24] ; CHECK-AARCH64: str [[I128LO]], [x[[SPREG]], #16] ; CHECK-ARM64: stp [[I128LO]], [[I128HI]], [sp, #16] ; CHECK-ARM64-NONEON: stp [[I128LO]], [[I128HI]], [sp, #16] ; CHECK: bl check_i128_stackalign call void @check_i128_regalign(i32 0, i128 42) ; CHECK-NOT: mov x1 ; CHECK-LE: movz x2, #{{0x2a|42}} ; CHECK-LE: mov x3, xzr ; CHECK-BE: movz {{x|w}}3, #{{0x2a|42}} ; CHECK-BE: mov x2, xzr ; CHECK: bl check_i128_regalign ret void } @fptr = global void()* null define void @check_indirect_call() { ; CHECK-LABEL: check_indirect_call: %func = load void()** @fptr call void %func() ; CHECK: ldr [[FPTR:x[0-9]+]], [{{x[0-9]+}}, {{#?}}:lo12:fptr] ; CHECK: blr [[FPTR]] ret void }