test/CodeGen/SPIRV/function/variadics-lowering.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt -S -mtriple=spirv64-- --passes=expand-variadics --expand-variadics-override=lowering < %s | FileCheck %s

%struct.agg = type { i32, double }

define spir_func void @variadic_sink(i32 noundef %tag, ...) {
; CHECK-LABEL: define spir_func void @variadic_sink(
; CHECK-SAME: i32 noundef [[TAG:%.*]], ptr [[VARARGS:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[AP:%.*]] = alloca ptr, align 8
; CHECK-NEXT:    store ptr [[VARARGS]], ptr [[AP]], align 8
; CHECK-NEXT:    switch i32 [[TAG]], label %[[SW_DEFAULT:.*]] [
; CHECK-NEXT:      i32 0, label %[[SW_BB:.*]]
; CHECK-NEXT:      i32 1, label %[[SW_BB1:.*]]
; CHECK-NEXT:      i32 2, label %[[SW_BB4:.*]]
; CHECK-NEXT:      i32 3, label %[[SW_BB7:.*]]
; CHECK-NEXT:      i32 4, label %[[SW_BB10:.*]]
; CHECK-NEXT:    ]
; CHECK:       [[SW_BB]]:
; CHECK-NEXT:    [[ARGP_CUR:%.*]] = load ptr, ptr [[AP]], align 8
; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[ARGP_CUR]], i32 3
; CHECK-NEXT:    [[ARGP_CUR_ALIGNED:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[TMP0]], i64 -4)
; CHECK-NEXT:    [[ARGP_NEXT:%.*]] = getelementptr inbounds i8, ptr [[ARGP_CUR_ALIGNED]], i64 4
; CHECK-NEXT:    store ptr [[ARGP_NEXT]], ptr [[AP]], align 8
; CHECK-NEXT:    [[TMP1:%.*]] = load i32, ptr [[ARGP_CUR_ALIGNED]], align 4
; CHECK-NEXT:    br label %[[SW_EPILOG:.*]]
; CHECK:       [[SW_BB1]]:
; CHECK-NEXT:    [[ARGP_CUR2:%.*]] = load ptr, ptr [[AP]], align 8
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i8, ptr [[ARGP_CUR2]], i32 7
; CHECK-NEXT:    [[ARGP_CUR2_ALIGNED:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[TMP2]], i64 -8)
; CHECK-NEXT:    [[ARGP_NEXT3:%.*]] = getelementptr inbounds i8, ptr [[ARGP_CUR2_ALIGNED]], i64 8
; CHECK-NEXT:    store ptr [[ARGP_NEXT3]], ptr [[AP]], align 8
; CHECK-NEXT:    [[TMP3:%.*]] = load i64, ptr [[ARGP_CUR2_ALIGNED]], align 8
; CHECK-NEXT:    br label %[[SW_EPILOG]]
; CHECK:       [[SW_BB4]]:
; CHECK-NEXT:    [[ARGP_CUR5:%.*]] = load ptr, ptr [[AP]], align 8
; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i8, ptr [[ARGP_CUR5]], i32 7
; CHECK-NEXT:    [[ARGP_CUR5_ALIGNED:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[TMP4]], i64 -8)
; CHECK-NEXT:    [[ARGP_NEXT6:%.*]] = getelementptr inbounds i8, ptr [[ARGP_CUR5_ALIGNED]], i64 8
; CHECK-NEXT:    store ptr [[ARGP_NEXT6]], ptr [[AP]], align 8
; CHECK-NEXT:    [[TMP5:%.*]] = load double, ptr [[ARGP_CUR5_ALIGNED]], align 8
; CHECK-NEXT:    br label %[[SW_EPILOG]]
; CHECK:       [[SW_BB7]]:
; CHECK-NEXT:    [[ARGP_CUR8:%.*]] = load ptr, ptr [[AP]], align 8
; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds i8, ptr [[ARGP_CUR8]], i32 7
; CHECK-NEXT:    [[ARGP_CUR8_ALIGNED:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[TMP6]], i64 -8)
; CHECK-NEXT:    [[ARGP_NEXT9:%.*]] = getelementptr inbounds i8, ptr [[ARGP_CUR8_ALIGNED]], i64 16
; CHECK-NEXT:    store ptr [[ARGP_NEXT9]], ptr [[AP]], align 8
; CHECK-NEXT:    br label %[[SW_EPILOG]]
; CHECK:       [[SW_BB10]]:
; CHECK-NEXT:    [[ARGP_CUR11:%.*]] = load ptr, ptr [[AP]], align 8
; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr inbounds i8, ptr [[ARGP_CUR11]], i32 15
; CHECK-NEXT:    [[ARGP_CUR11_ALIGNED:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[TMP7]], i64 -16)
; CHECK-NEXT:    [[ARGP_NEXT12:%.*]] = getelementptr inbounds i8, ptr [[ARGP_CUR11_ALIGNED]], i64 16
; CHECK-NEXT:    store ptr [[ARGP_NEXT12]], ptr [[AP]], align 8
; CHECK-NEXT:    [[TMP8:%.*]] = load <4 x float>, ptr [[ARGP_CUR11_ALIGNED]], align 16
; CHECK-NEXT:    br label %[[SW_EPILOG]]
; CHECK:       [[SW_DEFAULT]]:
; CHECK-NEXT:    br label %[[SW_EPILOG]]
; CHECK:       [[SW_EPILOG]]:
; CHECK-NEXT:    ret void
;
entry:
  %ap = alloca ptr, align 8
  call void @llvm.va_start.p0(ptr %ap)
  switch i32 %tag, label %sw.default [
  i32 0, label %sw.bb
  i32 1, label %sw.bb1
  i32 2, label %sw.bb4
  i32 3, label %sw.bb7
  i32 4, label %sw.bb10
  ]

sw.bb:                                            ; preds = %entry
  %argp.cur = load ptr, ptr %ap, align 8
  %0 = getelementptr inbounds i8, ptr %argp.cur, i32 3
  %argp.cur.aligned = call ptr @llvm.ptrmask.p0.i64(ptr %0, i64 -4)
  %argp.next = getelementptr inbounds i8, ptr %argp.cur.aligned, i64 4
  store ptr %argp.next, ptr %ap, align 8
  %1 = load i32, ptr %argp.cur.aligned, align 4
  br label %sw.epilog

sw.bb1:                                           ; preds = %entry
  %argp.cur2 = load ptr, ptr %ap, align 8
  %2 = getelementptr inbounds i8, ptr %argp.cur2, i32 7
  %argp.cur2.aligned = call ptr @llvm.ptrmask.p0.i64(ptr %2, i64 -8)
  %argp.next3 = getelementptr inbounds i8, ptr %argp.cur2.aligned, i64 8
  store ptr %argp.next3, ptr %ap, align 8
  %3 = load i64, ptr %argp.cur2.aligned, align 8
  br label %sw.epilog

sw.bb4:                                           ; preds = %entry
  %argp.cur5 = load ptr, ptr %ap, align 8
  %4 = getelementptr inbounds i8, ptr %argp.cur5, i32 7
  %argp.cur5.aligned = call ptr @llvm.ptrmask.p0.i64(ptr %4, i64 -8)
  %argp.next6 = getelementptr inbounds i8, ptr %argp.cur5.aligned, i64 8
  store ptr %argp.next6, ptr %ap, align 8
  %5 = load double, ptr %argp.cur5.aligned, align 8
  br label %sw.epilog

sw.bb7:                                           ; preds = %entry
  %argp.cur8 = load ptr, ptr %ap, align 8
  %6 = getelementptr inbounds i8, ptr %argp.cur8, i32 7
  %argp.cur8.aligned = call ptr @llvm.ptrmask.p0.i64(ptr %6, i64 -8)
  %argp.next9 = getelementptr inbounds i8, ptr %argp.cur8.aligned, i64 16
  store ptr %argp.next9, ptr %ap, align 8
  br label %sw.epilog

sw.bb10:                                          ; preds = %entry
  %argp.cur11 = load ptr, ptr %ap, align 8
  %7 = getelementptr inbounds i8, ptr %argp.cur11, i32 15
  %argp.cur11.aligned = call ptr @llvm.ptrmask.p0.i64(ptr %7, i64 -16)
  %argp.next12 = getelementptr inbounds i8, ptr %argp.cur11.aligned, i64 16
  store ptr %argp.next12, ptr %ap, align 8
  %8 = load <4 x float>, ptr %argp.cur11.aligned, align 16
  br label %sw.epilog

sw.default:                                       ; preds = %entry
  br label %sw.epilog

sw.epilog:                                        ; preds = %sw.default, %sw.bb10, %sw.bb7, %sw.bb4, %sw.bb1, %sw.bb
  call void @llvm.va_end.p0(ptr %ap)
  ret void
}

define spir_func void @call_i32() {
; CHECK-LABEL: define spir_func void @call_i32() {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[VARARG_BUFFER:%.*]] = alloca [[CALL_I32_VARARG:%.*]], align 4
; CHECK-NEXT:    call void @llvm.lifetime.start.p0(ptr [[VARARG_BUFFER]])
; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds nuw [[CALL_I32_VARARG]], ptr [[VARARG_BUFFER]], i32 0, i32 0
; CHECK-NEXT:    store i32 1, ptr [[TMP0]], align 4
; CHECK-NEXT:    call spir_func void @variadic_sink(i32 noundef 0, ptr [[VARARG_BUFFER]])
; CHECK-NEXT:    call void @llvm.lifetime.end.p0(ptr [[VARARG_BUFFER]])
; CHECK-NEXT:    ret void
;
entry:
  call spir_func void (i32, ...) @variadic_sink(i32 noundef 0, i32 noundef 1)
  ret void
}

define spir_func void @call_i64() {
; CHECK-LABEL: define spir_func void @call_i64() {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[VARARG_BUFFER:%.*]] = alloca [[CALL_I64_VARARG:%.*]], align 8
; CHECK-NEXT:    call void @llvm.lifetime.start.p0(ptr [[VARARG_BUFFER]])
; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds nuw [[CALL_I64_VARARG]], ptr [[VARARG_BUFFER]], i32 0, i32 0
; CHECK-NEXT:    store i64 1, ptr [[TMP0]], align 8
; CHECK-NEXT:    call spir_func void @variadic_sink(i32 noundef 1, ptr [[VARARG_BUFFER]])
; CHECK-NEXT:    call void @llvm.lifetime.end.p0(ptr [[VARARG_BUFFER]])
; CHECK-NEXT:    ret void
;
entry:
  call spir_func void (i32, ...) @variadic_sink(i32 noundef 1, i64 noundef 1)
  ret void
}

define spir_func void @call_f64() {
; CHECK-LABEL: define spir_func void @call_f64() {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[VARARG_BUFFER:%.*]] = alloca [[CALL_F64_VARARG:%.*]], align 8
; CHECK-NEXT:    call void @llvm.lifetime.start.p0(ptr [[VARARG_BUFFER]])
; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds nuw [[CALL_F64_VARARG]], ptr [[VARARG_BUFFER]], i32 0, i32 0
; CHECK-NEXT:    store double 1.000000e+00, ptr [[TMP0]], align 8
; CHECK-NEXT:    call spir_func void @variadic_sink(i32 noundef 2, ptr [[VARARG_BUFFER]])
; CHECK-NEXT:    call void @llvm.lifetime.end.p0(ptr [[VARARG_BUFFER]])
; CHECK-NEXT:    ret void
;
entry:
  call spir_func void (i32, ...) @variadic_sink(i32 noundef 2, double noundef 1.000000e+00)
  ret void
}

define spir_func void @call_struct() {
; CHECK-LABEL: define spir_func void @call_struct() {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[DOTCOMPOUNDLITERAL:%.*]] = alloca [[STRUCT_AGG:%.*]], align 8
; CHECK-NEXT:    [[VARARG_BUFFER:%.*]] = alloca [[CALL_STRUCT_VARARG:%.*]], align 8
; CHECK-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_AGG]], ptr [[DOTCOMPOUNDLITERAL]], i32 0, i32 0
; CHECK-NEXT:    store i32 1, ptr [[A]], align 8
; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr i8, ptr [[DOTCOMPOUNDLITERAL]], i64 4
; CHECK-NEXT:    call void @llvm.memset.p0.i64(ptr align 4 [[TMP0]], i8 0, i64 4, i1 false)
; CHECK-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_AGG]], ptr [[DOTCOMPOUNDLITERAL]], i32 0, i32 1
; CHECK-NEXT:    store double 2.000000e+00, ptr [[B]], align 8
; CHECK-NEXT:    call void @llvm.lifetime.start.p0(ptr [[VARARG_BUFFER]])
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds nuw [[CALL_STRUCT_VARARG]], ptr [[VARARG_BUFFER]], i32 0, i32 0
; CHECK-NEXT:    call void @llvm.memcpy.p0.p0.i64(ptr [[TMP1]], ptr [[DOTCOMPOUNDLITERAL]], i64 16, i1 false)
; CHECK-NEXT:    call spir_func void @variadic_sink(i32 noundef 3, ptr [[VARARG_BUFFER]])
; CHECK-NEXT:    call void @llvm.lifetime.end.p0(ptr [[VARARG_BUFFER]])
; CHECK-NEXT:    ret void
;
entry:
  %.compoundliteral = alloca %struct.agg, align 8
  %a = getelementptr inbounds nuw %struct.agg, ptr %.compoundliteral, i32 0, i32 0
  store i32 1, ptr %a, align 8
  %0 = getelementptr i8, ptr %.compoundliteral, i64 4
  call void @llvm.memset.p0.i64(ptr align 4 %0, i8 0, i64 4, i1 false)
  %b = getelementptr inbounds nuw %struct.agg, ptr %.compoundliteral, i32 0, i32 1
  store double 2.000000e+00, ptr %b, align 8
  call spir_func void (i32, ...) @variadic_sink(i32 noundef 3, ptr noundef byval(%struct.agg) align 8 %.compoundliteral)
  ret void
}

define spir_func void @call_vector() {
; CHECK-LABEL: define spir_func void @call_vector() {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[VARARG_BUFFER:%.*]] = alloca [[CALL_VECTOR_VARARG:%.*]], align 16
; CHECK-NEXT:    call void @llvm.lifetime.start.p0(ptr [[VARARG_BUFFER]])
; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds nuw [[CALL_VECTOR_VARARG]], ptr [[VARARG_BUFFER]], i32 0, i32 0
; CHECK-NEXT:    store <4 x float> <float 1.000000e+00, float 2.000000e+00, float 3.000000e+00, float 4.000000e+00>, ptr [[TMP0]], align 16
; CHECK-NEXT:    call spir_func void @variadic_sink(i32 noundef 4, ptr [[VARARG_BUFFER]])
; CHECK-NEXT:    call void @llvm.lifetime.end.p0(ptr [[VARARG_BUFFER]])
; CHECK-NEXT:    ret void
;
entry:
  call spir_func void (i32, ...) @variadic_sink(i32 noundef 4, <4 x float> noundef <float 1.000000e+00, float 2.000000e+00, float 3.000000e+00, float 4.000000e+00>)
  ret void
}