diff options
Diffstat (limited to 'test/CodeGen/AArch64/win64_vararg.ll')
| -rw-r--r-- | test/CodeGen/AArch64/win64_vararg.ll | 111 |
1 files changed, 109 insertions, 2 deletions
diff --git a/test/CodeGen/AArch64/win64_vararg.ll b/test/CodeGen/AArch64/win64_vararg.ll index 3acc7e520c96..7e28c9f79ec8 100644 --- a/test/CodeGen/AArch64/win64_vararg.ll +++ b/test/CodeGen/AArch64/win64_vararg.ll @@ -2,14 +2,14 @@ define void @pass_va(i32 %count, ...) nounwind { entry: -; CHECK: sub sp, sp, #80 +; 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: stp x30, x8, [sp] +; CHECK: str x8, [sp, #8] ; CHECK: bl other_func ; CHECK: ldr x30, [sp], #80 ; CHECK: ret @@ -102,6 +102,113 @@ 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: mov x9, sp +; CHECK: and x8, x8, #0x1fffffff0 +; CHECK: sub x20, x9, x8 +; CHECK: mov x19, x1 +; CHECK: mov x23, sp +; CHECK: stp x6, x7, [x29, #48] +; CHECK: stp x4, x5, [x29, #32] +; CHECK: stp x2, x3, [x29, #16] +; CHECK: mov sp, x20 +; CHECK: ldur x21, [x29, #-40] +; CHECK: sxtw x22, w0 +; CHECK: bl __local_stdio_printf_options +; CHECK: ldr x8, [x0] +; CHECK: mov x1, x20 +; CHECK: mov x2, x22 +; CHECK: mov x3, x19 +; CHECK: orr x0, x8, #0x2 +; CHECK: mov x4, xzr +; CHECK: mov x5, x21 +; CHECK: bl __stdio_common_vsprintf +; CHECK: mov sp, x23 +; 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] |