| ; RUN: llc < %s -mtriple=aarch64-pc-win32 | FileCheck %s |
| |
| define void @pass_va(i32 %count, ...) nounwind { |
| entry: |
| ; CHECK: str x30, [sp, #-80]! |
| ; CHECK: add x8, sp, #24 |
| ; CHECK: add x0, sp, #24 |
| ; CHECK: stp x6, x7, [sp, #64] |
| ; CHECK: stp x4, x5, [sp, #48] |
| ; CHECK: stp x2, x3, [sp, #32] |
| ; CHECK: str x1, [sp, #24] |
| ; CHECK: str x8, [sp, #8] |
| ; CHECK: bl other_func |
| ; CHECK: ldr x30, [sp], #80 |
| ; CHECK: ret |
| %ap = alloca i8*, align 8 |
| %ap1 = bitcast i8** %ap to i8* |
| call void @llvm.va_start(i8* %ap1) |
| %ap2 = load i8*, i8** %ap, align 8 |
| call void @other_func(i8* %ap2) |
| ret void |
| } |
| |
| declare void @other_func(i8*) local_unnamed_addr |
| |
| declare void @llvm.va_start(i8*) nounwind |
| declare void @llvm.va_copy(i8*, i8*) nounwind |
| |
| ; CHECK-LABEL: f9: |
| ; CHECK: sub sp, sp, #16 |
| ; CHECK: add x8, sp, #24 |
| ; CHECK: add x0, sp, #24 |
| ; CHECK: str x8, [sp, #8] |
| ; CHECK: add sp, sp, #16 |
| ; CHECK: ret |
| define i8* @f9(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, i64 %a5, i64 %a6, i64 %a7, i64 %a8, ...) nounwind { |
| entry: |
| %ap = alloca i8*, align 8 |
| %ap1 = bitcast i8** %ap to i8* |
| call void @llvm.va_start(i8* %ap1) |
| %ap2 = load i8*, i8** %ap, align 8 |
| ret i8* %ap2 |
| } |
| |
| ; CHECK-LABEL: f8: |
| ; CHECK: sub sp, sp, #16 |
| ; CHECK: add x8, sp, #16 |
| ; CHECK: add x0, sp, #16 |
| ; CHECK: str x8, [sp, #8] |
| ; CHECK: add sp, sp, #16 |
| ; CHECK: ret |
| define i8* @f8(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, i64 %a5, i64 %a6, i64 %a7, ...) nounwind { |
| entry: |
| %ap = alloca i8*, align 8 |
| %ap1 = bitcast i8** %ap to i8* |
| call void @llvm.va_start(i8* %ap1) |
| %ap2 = load i8*, i8** %ap, align 8 |
| ret i8* %ap2 |
| } |
| |
| ; CHECK-LABEL: f7: |
| ; CHECK: sub sp, sp, #32 |
| ; CHECK: add x8, sp, #24 |
| ; CHECK: str x7, [sp, #24] |
| ; CHECK: add x0, sp, #24 |
| ; CHECK: str x8, [sp, #8] |
| ; CHECK: add sp, sp, #32 |
| ; CHECK: ret |
| define i8* @f7(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, i64 %a5, i64 %a6, ...) nounwind { |
| entry: |
| %ap = alloca i8*, align 8 |
| %ap1 = bitcast i8** %ap to i8* |
| call void @llvm.va_start(i8* %ap1) |
| %ap2 = load i8*, i8** %ap, align 8 |
| ret i8* %ap2 |
| } |
| |
| ; CHECK-LABEL: copy1: |
| ; CHECK: sub sp, sp, #80 |
| ; CHECK: add x8, sp, #24 |
| ; CHECK: stp x6, x7, [sp, #64] |
| ; CHECK: stp x4, x5, [sp, #48] |
| ; CHECK: stp x2, x3, [sp, #32] |
| ; CHECK: str x1, [sp, #24] |
| ; CHECK: stp x8, x8, [sp], #80 |
| ; CHECK: ret |
| define void @copy1(i64 %a0, ...) nounwind { |
| entry: |
| %ap = alloca i8*, align 8 |
| %cp = alloca i8*, align 8 |
| %ap1 = bitcast i8** %ap to i8* |
| %cp1 = bitcast i8** %cp to i8* |
| call void @llvm.va_start(i8* %ap1) |
| call void @llvm.va_copy(i8* %cp1, i8* %ap1) |
| ret void |
| } |
| |
| declare void @llvm.va_end(i8*) |
| declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1 |
| declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1 |
| |
| declare i32 @__stdio_common_vsprintf(i64, i8*, i64, i8*, i8*, i8*) local_unnamed_addr #3 |
| declare i64* @__local_stdio_printf_options() local_unnamed_addr #4 |
| |
| ; CHECK-LABEL: fp |
| ; CHECK: str x21, [sp, #-96]! |
| ; CHECK: stp x20, x19, [sp, #16] |
| ; CHECK: stp x29, x30, [sp, #32] |
| ; CHECK: add x29, sp, #32 |
| ; CHECK: add x8, x29, #24 |
| ; CHECK: mov x19, x2 |
| ; CHECK: mov x20, x1 |
| ; CHECK: mov x21, x0 |
| ; CHECK: stp x6, x7, [x29, #48] |
| ; CHECK: stp x4, x5, [x29, #32] |
| ; CHECK: str x3, [x29, #24] |
| ; CHECK: str x8, [sp, #8] |
| ; CHECK: bl __local_stdio_printf_options |
| ; CHECK: ldr x8, [x0] |
| ; CHECK: add x5, x29, #24 |
| ; CHECK: mov x1, x21 |
| ; CHECK: mov x2, x20 |
| ; CHECK: orr x0, x8, #0x2 |
| ; CHECK: mov x3, x19 |
| ; CHECK: mov x4, xzr |
| ; CHECK: bl __stdio_common_vsprintf |
| ; CHECK: ldp x29, x30, [sp, #32] |
| ; CHECK: ldp x20, x19, [sp, #16] |
| ; CHECK: cmp w0, #0 |
| ; CHECK: csinv w0, w0, wzr, ge |
| ; CHECK: ldr x21, [sp], #96 |
| ; CHECK: ret |
| define i32 @fp(i8*, i64, i8*, ...) local_unnamed_addr #6 { |
| %4 = alloca i8*, align 8 |
| %5 = bitcast i8** %4 to i8* |
| call void @llvm.lifetime.start.p0i8(i64 8, i8* nonnull %5) #2 |
| call void @llvm.va_start(i8* nonnull %5) |
| %6 = load i8*, i8** %4, align 8 |
| %7 = call i64* @__local_stdio_printf_options() #2 |
| %8 = load i64, i64* %7, align 8 |
| %9 = or i64 %8, 2 |
| %10 = call i32 @__stdio_common_vsprintf(i64 %9, i8* %0, i64 %1, i8* %2, i8* null, i8* %6) #2 |
| %11 = icmp sgt i32 %10, -1 |
| %12 = select i1 %11, i32 %10, i32 -1 |
| call void @llvm.va_end(i8* nonnull %5) |
| call void @llvm.lifetime.end.p0i8(i64 8, i8* nonnull %5) #2 |
| ret i32 %12 |
| } |
| |
| attributes #6 = { "no-frame-pointer-elim"="true" } |
| |
| ; CHECK-LABEL: vla |
| ; CHECK: str x23, [sp, #-112]! |
| ; CHECK: stp x22, x21, [sp, #16] |
| ; CHECK: stp x20, x19, [sp, #32] |
| ; CHECK: stp x29, x30, [sp, #48] |
| ; CHECK: add x29, sp, #48 |
| ; CHECK: add x8, x29, #16 |
| ; CHECK: stur x8, [x29, #-40] |
| ; CHECK: mov w8, w0 |
| ; CHECK: add x8, x8, #15 |
| ; CHECK: lsr x15, x8, #4 |
| ; CHECK: mov x19, x1 |
| ; CHECK: mov [[REG2:x[0-9]+]], sp |
| ; CHECK: stp x6, x7, [x29, #48] |
| ; CHECK: stp x4, x5, [x29, #32] |
| ; CHECK: stp x2, x3, [x29, #16] |
| ; CHECK: bl __chkstk |
| ; CHECK: mov x8, sp |
| ; CHECK: sub [[REG:x[0-9]+]], x8, x15, lsl #4 |
| ; CHECK: mov sp, [[REG]] |
| ; CHECK: ldur [[REG3:x[0-9]+]], [x29, #-40] |
| ; CHECK: sxtw [[REG4:x[0-9]+]], w0 |
| ; CHECK: bl __local_stdio_printf_options |
| ; CHECK: ldr x8, [x0] |
| ; CHECK: mov x1, [[REG]] |
| ; CHECK: mov x2, [[REG4]] |
| ; CHECK: mov x3, x19 |
| ; CHECK: orr x0, x8, #0x2 |
| ; CHECK: mov x4, xzr |
| ; CHECK: mov x5, [[REG3]] |
| ; CHECK: bl __stdio_common_vsprintf |
| ; CHECK: mov sp, [[REG2]] |
| ; CHECK: sub sp, x29, #48 |
| ; CHECK: ldp x29, x30, [sp, #48] |
| ; CHECK: ldp x20, x19, [sp, #32] |
| ; CHECK: ldp x22, x21, [sp, #16] |
| ; CHECK: ldr x23, [sp], #112 |
| ; CHECK: ret |
| define void @vla(i32, i8*, ...) local_unnamed_addr { |
| %3 = alloca i8*, align 8 |
| %4 = bitcast i8** %3 to i8* |
| call void @llvm.lifetime.start.p0i8(i64 8, i8* nonnull %4) #5 |
| call void @llvm.va_start(i8* nonnull %4) |
| %5 = zext i32 %0 to i64 |
| %6 = call i8* @llvm.stacksave() |
| %7 = alloca i8, i64 %5, align 1 |
| %8 = load i8*, i8** %3, align 8 |
| %9 = sext i32 %0 to i64 |
| %10 = call i64* @__local_stdio_printf_options() |
| %11 = load i64, i64* %10, align 8 |
| %12 = or i64 %11, 2 |
| %13 = call i32 @__stdio_common_vsprintf(i64 %12, i8* nonnull %7, i64 %9, i8* %1, i8* null, i8* %8) |
| call void @llvm.va_end(i8* nonnull %4) |
| call void @llvm.stackrestore(i8* %6) |
| call void @llvm.lifetime.end.p0i8(i64 8, i8* nonnull %4) #5 |
| ret void |
| } |
| |
| declare i8* @llvm.stacksave() |
| declare void @llvm.stackrestore(i8*) |
| |
| ; CHECK-LABEL: snprintf |
| ; CHECK: sub sp, sp, #96 |
| ; CHECK: stp x21, x20, [sp, #16] |
| ; CHECK: stp x19, x30, [sp, #32] |
| ; CHECK: add x8, sp, #56 |
| ; CHECK: mov x19, x2 |
| ; CHECK: mov x20, x1 |
| ; CHECK: mov x21, x0 |
| ; CHECK: stp x6, x7, [sp, #80] |
| ; CHECK: stp x4, x5, [sp, #64] |
| ; CHECK: str x3, [sp, #56] |
| ; CHECK: str x8, [sp, #8] |
| ; CHECK: bl __local_stdio_printf_options |
| ; CHECK: ldr x8, [x0] |
| ; CHECK: add x5, sp, #56 |
| ; CHECK: mov x1, x21 |
| ; CHECK: mov x2, x20 |
| ; CHECK: orr x0, x8, #0x2 |
| ; CHECK: mov x3, x19 |
| ; CHECK: mov x4, xzr |
| ; CHECK: bl __stdio_common_vsprintf |
| ; CHECK: ldp x19, x30, [sp, #32] |
| ; CHECK: ldp x21, x20, [sp, #16] |
| ; CHECK: cmp w0, #0 |
| ; CHECK: csinv w0, w0, wzr, ge |
| ; CHECK: add sp, sp, #96 |
| ; CHECK: ret |
| define i32 @snprintf(i8*, i64, i8*, ...) local_unnamed_addr #5 { |
| %4 = alloca i8*, align 8 |
| %5 = bitcast i8** %4 to i8* |
| call void @llvm.lifetime.start.p0i8(i64 8, i8* nonnull %5) #2 |
| call void @llvm.va_start(i8* nonnull %5) |
| %6 = load i8*, i8** %4, align 8 |
| %7 = call i64* @__local_stdio_printf_options() #2 |
| %8 = load i64, i64* %7, align 8 |
| %9 = or i64 %8, 2 |
| %10 = call i32 @__stdio_common_vsprintf(i64 %9, i8* %0, i64 %1, i8* %2, i8* null, i8* %6) #2 |
| %11 = icmp sgt i32 %10, -1 |
| %12 = select i1 %11, i32 %10, i32 -1 |
| call void @llvm.va_end(i8* nonnull %5) |
| call void @llvm.lifetime.end.p0i8(i64 8, i8* nonnull %5) #2 |
| ret i32 %12 |
| } |
| |
| ; CHECK-LABEL: fixed_params |
| ; CHECK: sub sp, sp, #32 |
| ; CHECK-DAG: mov w6, w3 |
| ; CHECK-DAG: mov [[REG1:w[0-9]+]], w2 |
| ; CHECK: mov w2, w1 |
| ; CHECK: str w4, [sp] |
| ; CHECK: fmov x1, d0 |
| ; CHECK: fmov x3, d1 |
| ; CHECK: fmov x5, d2 |
| ; CHECK: fmov x7, d3 |
| ; CHECK: mov w4, [[REG1]] |
| ; CHECK: str x30, [sp, #16] |
| ; CHECK: str d4, [sp, #8] |
| ; CHECK: bl varargs |
| ; CHECK: ldr x30, [sp, #16] |
| ; CHECK: add sp, sp, #32 |
| ; CHECK: ret |
| define void @fixed_params(i32, double, i32, double, i32, double, i32, double, i32, double) nounwind { |
| tail call void (i32, ...) @varargs(i32 %0, double %1, i32 %2, double %3, i32 %4, double %5, i32 %6, double %7, i32 %8, double %9) |
| ret void |
| } |
| |
| declare void @varargs(i32, ...) local_unnamed_addr |