test/Transforms/GlobalOpt/inalloca-varargs.ll

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

define i32 @main(ptr %a) {
; CHECK-LABEL: define {{[^@]+}}@main
; CHECK-SAME: (ptr [[A:%.*]]) local_unnamed_addr {
; CHECK-NEXT:    [[ARGMEM:%.*]] = alloca inalloca <{ ptr, i32 }>, align 4
; CHECK-NEXT:    store ptr [[A]], ptr [[ARGMEM]], align 8
; CHECK-NEXT:    [[G0:%.*]] = getelementptr inbounds <{ ptr, i32 }>, ptr [[ARGMEM]], i32 0, i32 1
; CHECK-NEXT:    store i32 5, ptr [[G0]], align 4
; CHECK-NEXT:    [[CALL3:%.*]] = call i32 (ptr, ...) @i(ptr inalloca(ptr) [[ARGMEM]])
; CHECK-NEXT:    ret i32 [[CALL3]]
;
  %argmem = alloca inalloca <{ ptr, i32 }>, align 4
  store ptr %a, ptr %argmem, align 8
  %g0 = getelementptr inbounds <{ ptr, i32 }>, ptr %argmem, i32 0, i32 1
  store i32 5, ptr %g0, align 4
  %call3 = call i32 (ptr, ...) @i(ptr inalloca(ptr) %argmem)
  ret i32 %call3
}

define internal i32 @i(ptr inalloca(ptr) %a, ...) {
; CHECK-LABEL: define {{[^@]+}}@i
; CHECK-SAME: (ptr inalloca(ptr) [[A:%.*]], ...) unnamed_addr {
; CHECK-NEXT:    [[AP:%.*]] = alloca ptr, align 4
; CHECK-NEXT:    call void @llvm.va_start(ptr [[AP]])
; CHECK-NEXT:    [[ARGP_CUR:%.*]] = load ptr, ptr [[AP]], align 4
; CHECK-NEXT:    [[L:%.*]] = load i32, ptr [[ARGP_CUR]], align 4
; CHECK-NEXT:    ret i32 [[L]]
;
  %ap = alloca ptr, align 4
  call void @llvm.va_start(ptr %ap)
  %argp.cur = load ptr, ptr %ap, align 4
  %l = load i32, ptr %argp.cur, align 4
  ret i32 %l
}

declare void @llvm.va_start(ptr)