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1; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s2; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -mattr=-neon | FileCheck --check-prefix=CHECK-NONEON %s3; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -mattr=-fp-armv8 | FileCheck --check-prefix=CHECK-NOFP %s4; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64_be-none-linux-gnu | FileCheck --check-prefix=CHECK-BE %s5 6%myStruct = type { i64 , i8, i32 }7 8@var8 = dso_local global i8 09@var8_2 = dso_local global i8 010@var32 = dso_local global i32 011@var64 = dso_local global i64 012@var128 = dso_local global i128 013@varfloat = dso_local global float 0.014@varfloat_2 = dso_local global float 0.015@vardouble = dso_local global double 0.016@varstruct = dso_local global %myStruct zeroinitializer17@varsmallstruct = dso_local global [2 x i64] zeroinitializer18 19declare void @take_i8s(i8 %val1, i8 %val2)20declare void @take_floats(float %val1, float %val2)21 22define dso_local void @simple_args() {23; CHECK-LABEL: simple_args:24 %char1 = load i8, ptr @var825 %char2 = load i8, ptr @var8_226 call void @take_i8s(i8 %char1, i8 %char2)27; CHECK-DAG: ldrb w0, [{{x[0-9]+}}, {{#?}}:lo12:var8]28; CHECK-DAG: ldrb w1, [{{x[0-9]+}}, {{#?}}:lo12:var8_2]29; CHECK: bl take_i8s30 31 %float1 = load float, ptr @varfloat32 %float2 = load float, ptr @varfloat_233 call void @take_floats(float %float1, float %float2)34; CHECK-DAG: ldr s1, [{{x[0-9]+}}, {{#?}}:lo12:varfloat_2]35; CHECK-DAG: ldr s0, [{{x[0-9]+}}, {{#?}}:lo12:varfloat]36; CHECK: bl take_floats37; CHECK-NOFP-NOT: ldr s1,38; CHECK-NOFP-NOT: ldr s0,39 40 ret void41}42 43declare i32 @return_int()44declare double @return_double()45declare [2 x i64] @return_smallstruct()46declare void @return_large_struct(ptr sret(%myStruct) %retval)47 48define dso_local void @simple_rets() {49; CHECK-LABEL: simple_rets:50 51 %int = call i32 @return_int()52 store i32 %int, ptr @var3253; CHECK: bl return_int54; CHECK: str w0, [{{x[0-9]+}}, {{#?}}:lo12:var32]55 56 %dbl = call double @return_double()57 store double %dbl, ptr @vardouble58; CHECK: bl return_double59; CHECK: str d0, [{{x[0-9]+}}, {{#?}}:lo12:vardouble]60; CHECK-NOFP-NOT: str d0,61 62 %arr = call [2 x i64] @return_smallstruct()63 store [2 x i64] %arr, ptr @varsmallstruct64; CHECK: bl return_smallstruct65; CHECK: add x[[VARSMALLSTRUCT:[0-9]+]], {{x[0-9]+}}, :lo12:varsmallstruct66; CHECK: stp x0, x1, [x[[VARSMALLSTRUCT]]]67 68 call void @return_large_struct(ptr sret(%myStruct) @varstruct)69; CHECK: add x8, {{x[0-9]+}}, {{#?}}:lo12:varstruct70; CHECK: bl return_large_struct71 72 ret void73}74 75 76declare i32 @struct_on_stack(i8 %var0, i16 %var1, i32 %var2, i64 %var3, i128 %var45,77 ptr %var6, ptr byval(%myStruct) %struct, i32 %stacked,78 double %notstacked)79declare void @stacked_fpu(float %var0, double %var1, float %var2, float %var3,80 float %var4, float %var5, float %var6, float %var7,81 float %var8)82 83define dso_local void @check_stack_args() {84; CHECK-LABEL: check_stack_args:85 call i32 @struct_on_stack(i8 0, i16 12, i32 42, i64 99, i128 1,86 ptr @var32, ptr byval(%myStruct) @varstruct,87 i32 999, double 1.0)88 ; Want to check that the final double is passed in registers and89 ; that varstruct is passed on the stack. Rather dependent on how a90 ; memcpy gets created, but the following works for now.91 92; CHECK-DAG: str {{q[0-9]+}}, [sp]93; CHECK-DAG: fmov d0, #1.094 95; CHECK-NONEON-DAG: str {{q[0-9]+}}, [sp]96; CHECK-NONEON-DAG: fmov d0, #1.097 98; CHECK: bl struct_on_stack99; CHECK-NOFP-NOT: fmov100 101 call void @stacked_fpu(float -1.0, double 1.0, float 4.0, float 2.0,102 float -2.0, float -8.0, float 16.0, float 1.0,103 float 64.0)104 105; CHECK: mov [[SIXTY_FOUR:w[0-9]+]], #1115684864106; CHECK: str [[SIXTY_FOUR]], [sp]107 108; CHECK-NONEON: mov [[SIXTY_FOUR:w[0-9]+]], #1115684864109; CHECK-NONEON: str [[SIXTY_FOUR]], [sp]110 111; CHECK: bl stacked_fpu112 ret void113}114 115 116declare void @check_i128_stackalign(i32 %val0, i32 %val1, i32 %val2, i32 %val3,117 i32 %val4, i32 %val5, i32 %val6, i32 %val7,118 i32 %stack1, i128 %stack2)119 120declare void @check_i128_regalign(i32 %val0, i128 %val1)121 122 123define dso_local void @check_i128_align() {124; CHECK-LABEL: check_i128_align:125 %val = load i128, ptr @var128126 call void @check_i128_stackalign(i32 0, i32 1, i32 2, i32 3,127 i32 4, i32 5, i32 6, i32 7,128 i32 42, i128 %val)129; CHECK: add x[[VAR128:[0-9]+]], {{x[0-9]+}}, :lo12:var128130; CHECK: ldp [[I128LO:x[0-9]+]], [[I128HI:x[0-9]+]], [x[[VAR128]]]131; CHECK: stp [[I128HI]], {{x[0-9]+}}, [sp, #24]132 133; CHECK-NONEON: add x[[VAR128:[0-9]+]], {{x[0-9]+}}, :lo12:var128134; CHECK-NONEON: ldp [[I128LO:x[0-9]+]], [[I128HI:x[0-9]+]], [x[[VAR128]]]135; CHECK-NONEON: stp [[I128HI]], {{x[0-9]+}}, [sp, #24]136; CHECK: bl check_i128_stackalign137 138 call void @check_i128_regalign(i32 0, i128 42)139; CHECK-NOT: mov x1140; CHECK-LE: mov x2, #{{0x2a|42}}141; CHECK-LE: mov x3, xzr142; CHECK-BE: mov x2, xzr143; CHECK-BE: mov {{x|w}}3, #{{0x2a|42}}144; CHECK: bl check_i128_regalign145 146 ret void147}148 149@fptr = dso_local global ptr null150 151define dso_local void @check_indirect_call() {152; CHECK-LABEL: check_indirect_call:153 %func = load ptr, ptr @fptr154 call void %func()155; CHECK: ldr [[FPTR:x[0-9]+]], [{{x[0-9]+}}, {{#?}}:lo12:fptr]156; CHECK: blr [[FPTR]]157 158 ret void159}160