llvm/test/Transforms/ArgumentPromotion/byval.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
; RUN: opt < %s -passes=argpromotion -S | FileCheck %s

target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"

%struct.ss = type { i32, i64 }

define internal void @f(%struct.ss* byval(%struct.ss) align 4 %b) nounwind  {
; CHECK-LABEL: define {{[^@]+}}@f
; CHECK-SAME: (i32 [[B_0:%.*]], i64 [[B_1:%.*]]) [[ATTR0:#.*]] {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[B:%.*]] = alloca [[STRUCT_SS:%.*]], align 4
; CHECK-NEXT:    [[DOT0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 0
; CHECK-NEXT:    store i32 [[B_0]], i32* [[DOT0]], align 4
; CHECK-NEXT:    [[DOT1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 1
; CHECK-NEXT:    store i64 [[B_1]], i64* [[DOT1]], align 4
; CHECK-NEXT:    [[TMP:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 0
; CHECK-NEXT:    [[TMP1:%.*]] = load i32, i32* [[TMP]], align 4
; CHECK-NEXT:    [[TMP2:%.*]] = add i32 [[TMP1]], 1
; CHECK-NEXT:    store i32 [[TMP2]], i32* [[TMP]], align 4
; CHECK-NEXT:    ret void
;
entry:
  %tmp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0
  %tmp1 = load i32, i32* %tmp, align 4
  %tmp2 = add i32 %tmp1, 1
  store i32 %tmp2, i32* %tmp, align 4
  ret void
}


define internal void @g(%struct.ss* byval(%struct.ss) align 32 %b) nounwind {
; CHECK-LABEL: define {{[^@]+}}@g
; CHECK-SAME: (i32 [[B_0:%.*]], i64 [[B_1:%.*]]) [[ATTR0]] {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[B:%.*]] = alloca [[STRUCT_SS:%.*]], align 32
; CHECK-NEXT:    [[DOT0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 0
; CHECK-NEXT:    store i32 [[B_0]], i32* [[DOT0]], align 32
; CHECK-NEXT:    [[DOT1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 1
; CHECK-NEXT:    store i64 [[B_1]], i64* [[DOT1]], align 4
; CHECK-NEXT:    [[TMP:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 0
; CHECK-NEXT:    [[TMP1:%.*]] = load i32, i32* [[TMP]], align 4
; CHECK-NEXT:    [[TMP2:%.*]] = add i32 [[TMP1]], 1
; CHECK-NEXT:    store i32 [[TMP2]], i32* [[TMP]], align 4
; CHECK-NEXT:    ret void
;
entry:
  %tmp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0
  %tmp1 = load i32, i32* %tmp, align 4
  %tmp2 = add i32 %tmp1, 1
  store i32 %tmp2, i32* %tmp, align 4
  ret void
}

; Don't transform if alignment isn't specified; the actual alignment
; is target-specific, and not exposed anywhere.
;
; (If we ever change byval so a missing alignment isn't legal, we can
; just delete this test.)
define internal void @h(%struct.ss* byval(%struct.ss) %b) nounwind {
; CHECK-LABEL: define {{[^@]+}}@h
; CHECK-SAME: (%struct.ss* byval(%struct.ss) %b)
;
entry:
  %tmp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0
  %tmp1 = load i32, i32* %tmp, align 4
  %tmp2 = add i32 %tmp1, 1
  store i32 %tmp2, i32* %tmp, align 4
  ret void
}

define i32 @main() nounwind  {
; CHECK-LABEL: define {{[^@]+}}@main
; CHECK-SAME: () [[ATTR0]] {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[S:%.*]] = alloca [[STRUCT_SS:%.*]], align 32
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 0
; CHECK-NEXT:    store i32 1, i32* [[TMP1]], align 8
; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 1
; CHECK-NEXT:    store i64 2, i64* [[TMP4]], align 4
; CHECK-NEXT:    [[S_0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 0
; CHECK-NEXT:    [[S_0_VAL:%.*]] = load i32, i32* [[S_0]], align 4
; CHECK-NEXT:    [[S_1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 1
; CHECK-NEXT:    [[S_1_VAL:%.*]] = load i64, i64* [[S_1]], align 4
; CHECK-NEXT:    call void @f(i32 [[S_0_VAL]], i64 [[S_1_VAL]])
; CHECK-NEXT:    [[S_01:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 0
; CHECK-NEXT:    [[S_01_VAL:%.*]] = load i32, i32* [[S_01]], align 32
; CHECK-NEXT:    [[S_12:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 1
; CHECK-NEXT:    [[S_12_VAL:%.*]] = load i64, i64* [[S_12]], align 4
; CHECK-NEXT:    call void @g(i32 [[S_01_VAL]], i64 [[S_12_VAL]])
; CHECK-NEXT:    call void @h(%struct.ss* byval(%struct.ss) %S)
; CHECK-NEXT:    ret i32 0
;
entry:
  %S = alloca %struct.ss, align 32
  %tmp1 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 0
  store i32 1, i32* %tmp1, align 8
  %tmp4 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 1
  store i64 2, i64* %tmp4, align 4
  call void @f(%struct.ss* byval(%struct.ss) align 4 %S) nounwind
  call void @g(%struct.ss* byval(%struct.ss) align 32 %S) nounwind
  call void @h(%struct.ss* byval(%struct.ss) %S) nounwind
  ret i32 0
}